3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass{ public function writeit(){ $input = array( array( 'a' => 'vmi', 'tag_name' => 'google' ), array( 'a' => 'vmi2', 'tag_name' => 'technology' ) ); echo "(".implode(', ', array_map("findentry", $input)).")"; } private function findentry ($entry) { return $entry['tag_name']; } } $mc = new MyClass(); $mc->writeit();
Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, function "findentry" not found or invalid function name in /in/iCYVT:17 Stack trace: #0 /in/iCYVT(17): array_map('findentry', Array) #1 /in/iCYVT(26): MyClass->writeit() #2 {main} thrown in /in/iCYVT on line 17
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback or null, function "findentry" not found or invalid function name in /in/iCYVT:17 Stack trace: #0 /in/iCYVT(17): array_map('findentry', Array) #1 /in/iCYVT(26): MyClass->writeit() #2 {main} thrown in /in/iCYVT on line 17
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Fatal error: Uncaught TypeError: array_map(): Argument #1 ($callback) must be a valid callback, function "findentry" not found or invalid function name in /in/iCYVT:17 Stack trace: #0 /in/iCYVT(17): array_map('findentry', Array) #1 /in/iCYVT(26): MyClass->writeit() #2 {main} thrown in /in/iCYVT on line 17
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_map() expects parameter 1 to be a valid callback, function 'findentry' not found or invalid function name in /in/iCYVT on line 17 Warning: implode(): Invalid arguments passed in /in/iCYVT on line 17 ()
Output for 5.2.5 - 5.2.17
Warning: array_map(): The first argument, 'findentry', should be either NULL or a valid callback in /in/iCYVT on line 17 Warning: implode(): Invalid arguments passed in /in/iCYVT on line 17 ()
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.4
Warning: array_map(): The first argument, 'findentry', should be either NULL or a valid callback in /in/iCYVT on line 17 Warning: implode(): Bad arguments. in /in/iCYVT on line 17 ()
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iCYVT on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/iCYVT on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/iCYVT on line 5
Process exited with code 255.

preferences:
248.61 ms | 401 KiB | 311 Q