[php-nextgen] Add Null Check to Model Param Validation (#24787)

* [php-nextgen] Add Null Check to Model Param Validation

* regenerate samples

Author: ckoegel

modules/openapi-generator/src/main/resources/php-nextgen/model_generic.mustache

@@ -294,44 +294,44 @@ class {{classname}} {{#parentSchema}}extends {{{parent}}}{{/parentSchema}}{{^par
         {{#hasValidation}}
 {{#isString}}
         {{#maxLength}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}(mb_strlen($this->container['{{name}}']) > {{maxLength}})) {
+        if (!is_null($this->container['{{name}}']) && (mb_strlen($this->container['{{name}}']) > {{maxLength}})) {
             $invalidProperties[] = "invalid value for '{{name}}', the character length must be smaller than or equal to {{{maxLength}}}.";
         }
 
         {{/maxLength}}
         {{#minLength}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}(mb_strlen($this->container['{{name}}']) < {{minLength}})) {
+        if (!is_null($this->container['{{name}}']) && (mb_strlen($this->container['{{name}}']) < {{minLength}})) {
             $invalidProperties[] = "invalid value for '{{name}}', the character length must be bigger than or equal to {{{minLength}}}.";
         }
 
         {{/minLength}}
 {{/isString}}
         {{#maximum}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}($this->container['{{name}}'] >{{#exclusiveMaximum}}={{/exclusiveMaximum}} {{maximum}})) {
+        if (!is_null($this->container['{{name}}']) && ($this->container['{{name}}'] >{{#exclusiveMaximum}}={{/exclusiveMaximum}} {{maximum}})) {
             $invalidProperties[] = "invalid value for '{{name}}', must be smaller than {{^exclusiveMaximum}}or equal to {{/exclusiveMaximum}}{{maximum}}.";
         }
 
         {{/maximum}}
         {{#minimum}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}($this->container['{{name}}'] <{{#exclusiveMinimum}}={{/exclusiveMinimum}} {{minimum}})) {
+        if (!is_null($this->container['{{name}}']) && ($this->container['{{name}}'] <{{#exclusiveMinimum}}={{/exclusiveMinimum}} {{minimum}})) {
             $invalidProperties[] = "invalid value for '{{name}}', must be bigger than {{^exclusiveMinimum}}or equal to {{/exclusiveMinimum}}{{minimum}}.";
         }
 
         {{/minimum}}
         {{#pattern}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}!preg_match("{{{pattern}}}", $this->container['{{name}}'])) {
+        if (!is_null($this->container['{{name}}']) && !preg_match("{{{pattern}}}", $this->container['{{name}}'])) {
             $invalidProperties[] = "invalid value for '{{name}}', must be conform to the pattern {{{pattern}}}.";
         }
 
         {{/pattern}}
         {{#maxItems}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}(count($this->container['{{name}}']) > {{maxItems}})) {
+        if (!is_null($this->container['{{name}}']) && (count($this->container['{{name}}']) > {{maxItems}})) {
             $invalidProperties[] = "invalid value for '{{name}}', number of items must be less than or equal to {{{maxItems}}}.";
         }
 
         {{/maxItems}}
         {{#minItems}}
-        if ({{#notRequiredOrIsNullable}}!is_null($this->container['{{name}}']) && {{/notRequiredOrIsNullable}}(count($this->container['{{name}}']) < {{minItems}})) {
+        if (!is_null($this->container['{{name}}']) && (count($this->container['{{name}}']) < {{minItems}})) {
             $invalidProperties[] = "invalid value for '{{name}}', number of items must be greater than or equal to {{{minItems}}}.";
         }
 

samples/client/petstore/php-nextgen/OpenAPIClient-php/src/Model/FormatTest.php

@@ -382,11 +382,11 @@ public function listInvalidProperties(): array
         if ($this->container['number'] === null) {
             $invalidProperties[] = "'number' can't be null";
         }
-        if (($this->container['number'] > 543.2)) {
+        if (!is_null($this->container['number']) && ($this->container['number'] > 543.2)) {
             $invalidProperties[] = "invalid value for 'number', must be smaller than or equal to 543.2.";
         }
 
-        if (($this->container['number'] < 32.1)) {
+        if (!is_null($this->container['number']) && ($this->container['number'] < 32.1)) {
             $invalidProperties[] = "invalid value for 'number', must be bigger than or equal to 32.1.";
         }
 
@@ -419,11 +419,11 @@ public function listInvalidProperties(): array
         if ($this->container['password'] === null) {
             $invalidProperties[] = "'password' can't be null";
         }
-        if ((mb_strlen($this->container['password']) > 64)) {
+        if (!is_null($this->container['password']) && (mb_strlen($this->container['password']) > 64)) {
             $invalidProperties[] = "invalid value for 'password', the character length must be smaller than or equal to 64.";
         }
 
-        if ((mb_strlen($this->container['password']) < 10)) {
+        if (!is_null($this->container['password']) && (mb_strlen($this->container['password']) < 10)) {
             $invalidProperties[] = "invalid value for 'password', the character length must be bigger than or equal to 10.";
         }