3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo ('1' == '1' ? 'true' : 'false') . ('1' == '1') \n"; echo "('2' == '1') = " . ('2' == '1' ? 'true' : 'false') . "\n"; echo "('1e1' == '10') = " . ('1e1' == '10' ? 'true' : 'false') . "\n"; echo "('1E1' == '10') = " . ('1E1' == '10' ? 'true' : 'false') . "\n"; echo "('1e-1' == '0.1') = " . ('1e-1' == '0.1' ? 'true' : 'false') . "\n"; echo "('1E-1' == '0.1') = " . ('1E-1' == '0.1' ? 'true' : 'false') . "\n"; echo "('+1' == '1') = " . ('+1' == '1' ? 'true' : 'false') . "\n"; echo "('+0' == '-0') = " . ('+0' == '-0' ? 'true' : 'false') . "\n"; echo "('0.99999999999999994' == '1') = " . ('0.99999999999999994' == '1' ? 'true' : 'false') . "\n"; echo "('0.99999999999999995' == '1') = " . ('0.99999999999999995' == '1' ? 'true' : 'false') . "\n"; echo "(\"\\n1\" == '1') = " . ("\n1" == '1' ? 'true' : 'false') . "\n"; echo "(\"1\\n\" == '1') = " . ("1\n" == '1' ? 'true' : 'false') . "\n";

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.4.310.0040.04012.49
5.4.300.0090.03312.50
5.4.290.0040.04012.50
5.4.280.0050.03612.39
5.4.270.0070.03512.39
5.4.260.0080.03612.39
5.4.250.0060.03712.39
5.4.240.0060.03612.39
5.4.230.0070.03612.38
5.4.220.0050.03712.38
5.4.210.0080.03412.38
5.4.200.0060.03712.38
5.4.190.0050.03712.38
5.4.180.0070.03512.38
5.4.170.0070.03412.39
5.4.160.0050.03712.38
5.4.150.0050.03712.38
5.4.140.0050.04012.07
5.4.130.0080.03412.05
5.4.120.0070.03412.02
5.4.110.0040.04012.01
5.4.100.0100.03912.01
5.4.90.0040.03812.01
5.4.80.0070.03712.02
5.4.70.0040.03712.00
5.4.60.0060.03612.01
5.4.50.0030.03812.00
5.4.40.0100.03212.00
5.4.30.0050.03611.99
5.4.20.0070.04711.99
5.4.10.0060.04011.99
5.4.00.0050.03711.48
5.3.280.0050.03912.71
5.3.270.0060.04012.72
5.3.260.0060.03912.71
5.3.250.0030.04112.72
5.3.240.0050.03812.72
5.3.230.0050.04012.71
5.3.220.0080.03512.68
5.3.210.0060.04412.68
5.3.200.0060.03712.68
5.3.190.0070.03712.68
5.3.180.0060.03612.67
5.3.170.0050.03712.67
5.3.160.0050.03712.68
5.3.150.0060.03712.67
5.3.140.0030.03912.66
5.3.130.0050.04012.66
5.3.120.0040.04212.66
5.3.110.0110.03312.66
5.3.100.0100.03212.12
5.3.90.0050.03712.09
5.3.80.0070.03512.07
5.3.70.0060.03612.08
5.3.60.0060.03612.06
5.3.50.0070.03612.00
5.3.40.0020.04012.00
5.3.30.0030.03811.95
5.3.20.0060.03511.73
5.3.10.0080.03211.70
5.3.00.0060.03811.68
5.2.170.0060.0329.19
5.2.160.0050.0309.18
5.2.150.0060.0299.18
5.2.140.0050.0309.18
5.2.130.0090.0259.14
5.2.120.0060.0279.14
5.2.110.0050.0309.15
5.2.100.0070.0259.14
5.2.90.0020.0379.14
5.2.80.0020.0379.14
5.2.70.0050.0359.14
5.2.60.0030.0349.09
5.2.50.0070.0289.06
5.2.40.0050.0299.04
5.2.30.0060.0299.02
5.2.20.0030.0329.00
5.2.10.0050.0288.93
5.2.00.0030.0318.79
5.1.60.0030.0268.07
5.1.50.0040.0268.07
5.1.40.0050.0248.05
5.1.30.0050.0258.40
5.1.20.0040.0298.42
5.1.10.0070.0268.15
5.1.00.0060.0238.15
5.0.50.0040.0206.62
5.0.40.0050.0186.48
5.0.30.0030.0326.29
5.0.20.0040.0196.26
5.0.10.0040.0206.25
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0000.0184.75
4.4.70.0030.0154.75
4.4.60.0030.0154.75
4.4.50.0000.0184.77
4.4.40.0050.0234.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0030.0154.84
4.4.00.0070.0214.76
4.3.110.0000.0184.67
4.3.100.0010.0174.67
4.3.90.0050.0194.63
4.3.80.0060.0294.58
4.3.70.0030.0154.63
4.3.60.0020.0154.63
4.3.50.0050.0144.62
4.3.40.0040.0254.54
4.3.30.0020.0173.29
4.3.20.0030.0163.27
4.3.10.0030.0153.22
4.3.00.0000.0236.78

preferences:
140.9 ms | 1386 KiB | 7 Q