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<?php $a = [2,3,4,5,6,7]; $b = [11,64,2,5,8]; $c = 7; var_dump( array_intersect ( $a, $b )); var_dump( array_intersect ( $a, (array)$c )); var_dump( count( $c ));
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array(2) { [0]=> int(2) [3]=> int(5) } array(1) { [5]=> int(7) } Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, int given in /in/bpjI1:9 Stack trace: #0 {main} thrown in /in/bpjI1 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 array(2) { [0]=> int(2) [3]=> int(5) } array(1) { [5]=> int(7) } Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, int given in /in/bpjI1:9 Stack trace: #0 {main} thrown in /in/bpjI1 on line 9
Process exited with code 255.
Output for 8.0.0 - 8.0.9
array(2) { [0]=> int(2) [3]=> int(5) } array(1) { [5]=> int(7) } Fatal error: Uncaught TypeError: count(): Argument #1 ($var) must be of type Countable|array, int given in /in/bpjI1:9 Stack trace: #0 {main} thrown in /in/bpjI1 on line 9
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
array(2) { [0]=> int(2) [3]=> int(5) } array(1) { [5]=> int(7) } Warning: count(): Parameter must be an array or an object that implements Countable in /in/bpjI1 on line 9 int(1)
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33
array(2) { [0]=> int(2) [3]=> int(5) } array(1) { [5]=> int(7) } int(1)

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