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<?php $fo = 0; var_dump($fo *= 5); $a = range(-2, 2); $b = range(-2, 2, 0.5); $opResults = []; $funcResults = []; $results = []; $t = true; foreach($a as $_a) { foreach($b as $_b) { $opResults[] = $_a ** $_b; $funcResults[] = pow($_a, $_b); if( $_a ** $_b !== pow($_a, $_b)) { var_dump(['**' => $_a ** $_b, 'pow()' => pow($_a, $_b)]); } } } var_dump($opResults === $funcResults);
Output for git.master, git.master_jit, rfc.property-hooks
int(0) array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } array(2) { ["**"]=> float(NAN) ["pow()"]=> float(NAN) } bool(false)

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