- var_dump: documentation ( source)
<?php
var_dump( 0e123 );
var_dump( 0e456 );
echo "float comparisons :";
var_dump( 0e123 == 0e456 );
var_dump( 0e123 === 0e456 );
echo "string comparisons :";
var_dump( "0e123" == "0e456" );
var_dump( "0e123" === "0e456" );