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<?php $word = 'WORLD'; $ph = '_____'; $word = str_split($word); $ph = str_split($ph); var_dump($word, $ph, preg_grep($word, 'O'));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Fatal error: Uncaught TypeError: preg_grep(): Argument #1 ($pattern) must be of type string, array given in /in/q0OvZ:9 Stack trace: #0 /in/q0OvZ(9): preg_grep(Array, 'O') #1 {main} thrown in /in/q0OvZ on line 9
Process exited with code 255.
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Uncaught TypeError: preg_grep(): Argument #1 ($pattern) must be of type string, array given in /in/q0OvZ:9 Stack trace: #0 /in/q0OvZ(9): preg_grep(Array, 'O') #1 {main} thrown in /in/q0OvZ on line 9
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: preg_grep() expects parameter 1 to be string, array given in /in/q0OvZ on line 9 array(5) { [0]=> string(1) "W" [1]=> string(1) "O" [2]=> string(1) "R" [3]=> string(1) "L" [4]=> string(1) "D" } array(5) { [0]=> string(1) "_" [1]=> string(1) "_" [2]=> string(1) "_" [3]=> string(1) "_" [4]=> string(1) "_" } NULL
preferences:
167.52 ms | 403 KiB | 184 Q