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<?php $path = 'C:/123/'; $list = array('f1.txt', 'f2.txt', 'f3.txt', 'f4.txt'); $mapping = array_map(function($i, $item) use ($path) { return $path ? $path . $item : $item; }, $list); var_dump($mapping);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 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 ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/rmWjN:4 Stack trace: #0 [internal function]: {closure}('f1.txt') #1 /in/rmWjN(4): array_map(Object(Closure), Array) #2 {main} thrown in /in/rmWjN on line 4
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 ArgumentCountError: Too few arguments to function {closure}(), 1 passed and exactly 2 expected in /in/rmWjN:4 Stack trace: #0 [internal function]: {closure}('f1.txt') #1 /in/rmWjN(4): array_map(Object(Closure), Array) #2 {main} thrown in /in/rmWjN on line 4
Process exited with code 255.
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Missing argument 2 for {closure}() in /in/rmWjN on line 4 Notice: Undefined variable: item in /in/rmWjN on line 4 Warning: Missing argument 2 for {closure}() in /in/rmWjN on line 4 Notice: Undefined variable: item in /in/rmWjN on line 4 Warning: Missing argument 2 for {closure}() in /in/rmWjN on line 4 Notice: Undefined variable: item in /in/rmWjN on line 4 Warning: Missing argument 2 for {closure}() in /in/rmWjN on line 4 Notice: Undefined variable: item in /in/rmWjN on line 4 array(4) { [0]=> string(7) "C:/123/" [1]=> string(7) "C:/123/" [2]=> string(7) "C:/123/" [3]=> string(7) "C:/123/" }

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