<?php $s1 = "12345xxx"; $s2 = "12345 xxx"; $s3 = "12345.6xxx"; $s4 = "12345.6 xxx"; var_dump(++$s1); var_dump(++$s2); var_dump(++$s3); var_dump(++$s4); $s1 = "12345xxx"; $s2 = "12345 xxx"; $s3 = "12345.6xxx"; $s4 = "12345.6 xxx"; var_dump(--$s1); var_dump(--$s2); var_dump(--$s3); var_dump(--$s4); $s1 = "12345xxx"; $s2 = "12345 xxx"; $s3 = "12345.6xxx"; $s4 = "12345.6 xxx"; var_dump($s1++); var_dump($s2++); var_dump($s3++); var_dump($s4++); $s1 = "12345xxx"; $s2 = "12345 xxx"; $s3 = "12345.6xxx"; $s4 = "12345.6 xxx"; var_dump($s1--); var_dump($s2--); var_dump($s3--); var_dump($s4--);
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Value for `_results` contains invalid data `array`