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<?php // PHP 7.3 and older $parts = ['apple', 'pear']; $fruits = array_merge(['banana', 'orange'], $parts, ['watermelon']); var_dump($fruits); // PHP 7.4 $parts = ['apple', 'pear']; $fruits = ['banana', 'orange', ...$parts, 'watermelon']; var_dump($fruits);
Output for 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
array(5) { [0]=> string(6) "banana" [1]=> string(6) "orange" [2]=> string(5) "apple" [3]=> string(4) "pear" [4]=> string(10) "watermelon" } array(5) { [0]=> string(6) "banana" [1]=> string(6) "orange" [2]=> string(5) "apple" [3]=> string(4) "pear" [4]=> string(10) "watermelon" }
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(5) { [0]=> string(6) "banana" [1]=> string(6) "orange" [2]=> string(5) "apple" [3]=> string(4) "pear" [4]=> string(10) "watermelon" } array(5) { [0]=> string(6) "banana" [1]=> string(6) "orange" [2]=> string(5) "apple" [3]=> string(4) "pear" [4]=> string(10) "watermelon" }
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '...' (T_ELLIPSIS), expecting ']' in /in/XHeQk on line 10
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38
Parse error: syntax error, unexpected '.', expecting ']' in /in/XHeQk on line 10
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/XHeQk on line 4
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/XHeQk on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/XHeQk on line 4
Process exited with code 255.

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