<?php $x = 'yo'; for( $i = 0; $i <= 3; $i++ ) { echo "substr( '$x', $i ) is: ", var_export(substr( $x, $i ),true), "\n"; } echo "\n\n"; $x = ''; echo "substr( '$x', 0 ) is: ", var_export(substr( $x, 0 ),true), "\n"; echo "substr( '$x', 1 ) is: ", var_export(substr( $x, 1 ),true), "\n";
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Value for `_results` contains invalid data `array`