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<?php $test = array( '', 0, 1, false, null, ); var_dump( array_map( 'ltrim', $test ) );
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: ltrim(): Passing null to parameter #1 ($string) of type string is deprecated in /in/XtVCn on line 9 array(5) { [0]=> string(0) "" [1]=> string(1) "0" [2]=> string(1) "1" [3]=> string(0) "" [4]=> string(0) "" }

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