3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = json_decode('[ { "pattern": "firefox", "isPatternRegExp": false, "name": "Firefox", "type": "browser", "cssClass": "firefox", "versionPattern": "!firefox\\/([0-9]+)\\.!" }, { "pattern": "chrome", "isPatternRegExp": false, "name": "Chrome", "type": "browser", "cssClass": "chrome", "versionPattern": "!chrome\\/([0-9]+)\\.!" }, { "pattern": "msie", "isPatternRegExp": false, "name": "MSIE", "type": "browser", "cssClass": "msie", "versionPattern": { "msie 6.": 6, "msie 7.": 7, "msie 8.": 8, "msie 9.": 9 } }, { "pattern": "safari", "isPatternRegExp": false, "name": "Safari", "type": "browser", "cssClass": "safari", "versionPattern": "!version\\/([0-9]+)\\.!" }, { "pattern": "opera", "isPatternRegExp": false, "name": "Opera", "type": "browser", "cssClass": "opera", "versionPattern": "!version\\/([0-9]+)\\.!" } ]', true); var_dump(array_merge_recursive($array, $array));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: array_merge_recursive(): Argument #1 must be of type array, null given in /in/fCptk:51 Stack trace: #0 /in/fCptk(51): array_merge_recursive(NULL, NULL) #1 {main} thrown in /in/fCptk on line 51
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_merge_recursive(): Expected parameter 1 to be an array, null given in /in/fCptk on line 51 NULL
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_merge_recursive(): Argument #1 is not an array in /in/fCptk on line 51 NULL
Output for 5.2.0 - 5.2.17
Warning: array_merge_recursive(): Argument #1 is not an array in /in/fCptk on line 51 Warning: array_merge_recursive(): Argument #2 is not an array in /in/fCptk on line 51 NULL
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/fCptk on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/fCptk on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/fCptk on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/fCptk on line 3
preferences:
381.34 ms | 401 KiB | 460 Q