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<?php $foo = ['foo' => 10]; $bar = ['foo' => 20]; var_dump(array_merge_recursive($foo, $bar)); var_dump(array_replace_recursive($foo, $bar)); $foo = ['foo' => ['bar' => 10]]; $bar = ['foo' => ['bar' => 20]]; var_dump(array_merge_recursive($foo, $bar)); var_dump(array_replace_recursive($foo, $bar));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.32, 8.3.0 - 8.3.33, 8.4.1 - 8.4.24, 8.5.0 - 8.5.9
array(1) { ["foo"]=> array(2) { [0]=> int(10) [1]=> int(20) } } array(1) { ["foo"]=> int(20) } array(1) { ["foo"]=> array(1) { ["bar"]=> array(2) { [0]=> int(10) [1]=> int(20) } } } array(1) { ["foo"]=> array(1) { ["bar"]=> int(20) } }
preferences:
124.24 ms | 1348 KiB | 4 Q