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<?php echo "Compare non numeric string to string 0: ('str' == '0') = " . ('str' == '0' ? 'true' : 'false') . "\n"; echo "Compare non numeric string to integer 0: ('str' == 0) = " . ('str' == 0 ? 'true' : 'false') . "\n"; echo "Compare evtl. numeric string to string: ('1string' == '1') = " . ('1string' == '1' ? 'true' : 'false') . "\n"; echo "Compare evtl. numeric string to number: ('1string' == 1) = " . ('1string' == 1 ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 1): ('1e1' == '10') = " . ('1e1' == '10' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 2): ('1E1' == '10') = " . ('1E1' == '10' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 3): ('1e-1' == '0.1') = " . ('1e-1' == '0.1' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 4): ('1E-1' == '0.1') = " . ('1E-1' == '0.1' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 5): ('+1' == '1') = " . ('+1' == '1' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (same semantic 6): ('+0' == '-0') = " . ('+0' == '-0' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (precision 1): ('0.99999999999999994' == '1') = " . ('0.99999999999999994' == '1' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (precision 2): ('0.99999999999999995' == '1') = " . ('0.99999999999999995' == '1' ? 'true' : 'false') . "\n"; echo "Compare two numeric strings (hex): ('0x0A' == '10') = " . ('0x0A' == '10' ? 'true' : 'false') . "\n";
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Compare non numeric string to string 0: ('str' == '0') = false Compare non numeric string to integer 0: ('str' == 0) = false Compare evtl. numeric string to string: ('1string' == '1') = false Compare evtl. numeric string to number: ('1string' == 1) = false Compare two numeric strings (same semantic 1): ('1e1' == '10') = true Compare two numeric strings (same semantic 2): ('1E1' == '10') = true Compare two numeric strings (same semantic 3): ('1e-1' == '0.1') = true Compare two numeric strings (same semantic 4): ('1E-1' == '0.1') = true Compare two numeric strings (same semantic 5): ('+1' == '1') = true Compare two numeric strings (same semantic 6): ('+0' == '-0') = true Compare two numeric strings (precision 1): ('0.99999999999999994' == '1') = false Compare two numeric strings (precision 2): ('0.99999999999999995' == '1') = true Compare two numeric strings (hex): ('0x0A' == '10') = false
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Compare non numeric string to string 0: ('str' == '0') = false Compare non numeric string to integer 0: ('str' == 0) = true Compare evtl. numeric string to string: ('1string' == '1') = false Compare evtl. numeric string to number: ('1string' == 1) = true Compare two numeric strings (same semantic 1): ('1e1' == '10') = true Compare two numeric strings (same semantic 2): ('1E1' == '10') = true Compare two numeric strings (same semantic 3): ('1e-1' == '0.1') = true Compare two numeric strings (same semantic 4): ('1E-1' == '0.1') = true Compare two numeric strings (same semantic 5): ('+1' == '1') = true Compare two numeric strings (same semantic 6): ('+0' == '-0') = true Compare two numeric strings (precision 1): ('0.99999999999999994' == '1') = false Compare two numeric strings (precision 2): ('0.99999999999999995' == '1') = true Compare two numeric strings (hex): ('0x0A' == '10') = false
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Compare non numeric string to string 0: ('str' == '0') = false Compare non numeric string to integer 0: ('str' == 0) = true Compare evtl. numeric string to string: ('1string' == '1') = false Compare evtl. numeric string to number: ('1string' == 1) = true Compare two numeric strings (same semantic 1): ('1e1' == '10') = true Compare two numeric strings (same semantic 2): ('1E1' == '10') = true Compare two numeric strings (same semantic 3): ('1e-1' == '0.1') = true Compare two numeric strings (same semantic 4): ('1E-1' == '0.1') = true Compare two numeric strings (same semantic 5): ('+1' == '1') = true Compare two numeric strings (same semantic 6): ('+0' == '-0') = true Compare two numeric strings (precision 1): ('0.99999999999999994' == '1') = false Compare two numeric strings (precision 2): ('0.99999999999999995' == '1') = true Compare two numeric strings (hex): ('0x0A' == '10') = true
preferences:
117.48 ms | 2547 KiB | 4 Q