3v4l.org

run code in 300+ PHP versions simultaneously
<?php class FalseObject { public function __toString() { // return an empty string that in PHP evaluates to false return ''; } } $false = new FalseObject(); if ( $false ) { print $false . ' is false.'; } else { print $false . ' is true.'; } print '<br />'; if ( !$false ) { print $false . ' is really true.'; } else { print $false . ' is really false.'; }

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)
8.3.60.0120.00916.36
8.3.50.0110.00822.05
8.3.40.0040.01118.76
8.3.30.0040.01119.05
8.3.20.0050.00320.16
8.3.10.0040.00423.66
8.3.00.0030.00519.67
8.2.180.0170.00716.63
8.2.170.0070.01022.96
8.2.160.0110.00420.38
8.2.150.0000.00824.18
8.2.140.0120.00624.66
8.2.130.0080.00026.16
8.2.120.0030.00717.38
8.2.110.0060.00322.08
8.2.100.0090.00319.30
8.2.90.0000.00819.22
8.2.80.0000.00817.97
8.2.70.0030.00717.50
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0060.00319.75
8.2.30.0000.00718.31
8.2.20.0040.00417.69
8.2.10.0030.00518.05
8.2.00.0000.00717.78
8.1.280.0130.00725.92
8.1.270.0000.00923.88
8.1.260.0000.00826.35
8.1.250.0000.00728.09
8.1.240.0030.00623.83
8.1.230.0000.01119.16
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0070.00317.48
8.1.190.0050.00317.24
8.1.180.0090.00018.10
8.1.170.0000.00818.49
8.1.160.0040.00422.06
8.1.150.0000.00718.63
8.1.140.0000.00817.32
8.1.130.0000.00817.73
8.1.120.0000.00717.43
8.1.110.0030.00517.45
8.1.100.0000.00717.50
8.1.90.0000.00817.44
8.1.80.0070.00017.46
8.1.70.0000.00717.34
8.1.60.0000.00817.59
8.1.50.0030.00617.41
8.1.40.0030.00517.54
8.1.30.0000.00817.64
8.1.20.0000.00717.66
8.1.10.0070.00017.53
8.1.00.0000.00817.55
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0070.00018.37
8.0.270.0040.00416.84
8.0.260.0000.00717.11
8.0.250.0030.00316.95
8.0.240.0090.00016.92
8.0.230.0000.00717.02
8.0.220.0070.00016.91
8.0.210.0030.00316.90
8.0.200.0030.00316.87
8.0.190.0040.00416.91
8.0.180.0040.00416.89
8.0.170.0000.00716.89
8.0.160.0040.00416.86
8.0.150.0080.00016.86
8.0.140.0000.00816.87
8.0.130.0050.00013.34
8.0.120.0000.00716.88
8.0.110.0000.00716.71
8.0.100.0000.00716.76
8.0.90.0030.00316.75
8.0.80.0100.01016.87
8.0.70.0050.00316.72
8.0.60.0070.00016.77
8.0.50.0040.00416.77
8.0.30.0120.01017.15
8.0.20.0240.01117.40
8.0.10.0040.00417.07
8.0.00.0110.01116.53
7.4.330.0030.00315.00
7.4.320.0080.00016.43
7.4.300.0030.00316.52
7.4.290.0030.00316.57
7.4.280.0040.00416.59
7.4.270.0000.00716.58
7.4.260.0020.00516.58
7.4.250.0040.00416.52
7.4.240.0000.00716.58
7.4.230.0000.00716.35
7.4.220.0030.01616.68
7.4.210.0130.00016.56
7.4.200.0030.00316.66
7.4.160.0030.01316.40
7.4.150.0130.01317.40
7.4.140.0110.00717.86
7.4.130.0080.00816.50
7.4.120.0100.00716.46
7.4.110.0000.01616.51
7.4.100.0110.00816.60
7.4.90.0140.00316.64
7.4.80.0110.01319.39
7.4.70.0140.00316.64
7.4.60.0060.01216.66
7.4.50.0070.00016.30
7.4.40.0100.00716.25
7.4.30.0060.00916.64
7.4.00.0080.00415.13
7.3.330.0020.00213.30
7.3.320.0000.00513.25
7.3.310.0050.00216.25
7.3.300.0000.00716.25
7.3.290.0120.00316.38
7.3.280.0080.01016.30
7.3.270.0110.00617.40
7.3.260.0100.01016.24
7.3.250.0090.00816.54
7.3.240.0030.01616.45
7.3.230.0260.03016.41
7.3.210.0120.00616.45
7.3.200.0100.01019.39
7.3.190.0050.01116.54
7.3.180.0060.01216.45
7.3.170.0100.00616.50
7.3.160.0080.00716.38
7.3.120.0060.00914.86
7.2.330.0130.01316.74
7.2.320.0040.01216.63
7.2.310.0100.00816.63
7.2.300.0060.01116.50
7.2.290.0090.01216.77
7.1.100.0070.00418.18
7.1.70.0000.00717.11
7.1.60.0070.01819.70
7.1.50.0130.01016.91
7.1.00.0000.08022.30
7.0.200.0150.00516.83
7.0.140.0000.07722.04
7.0.60.0200.08019.91
7.0.50.0070.08017.85
7.0.40.0070.06720.23
7.0.30.0300.08320.13
7.0.20.0230.03320.16
7.0.10.0130.04320.21
7.0.00.0030.07020.25
5.6.280.0030.07021.11
5.6.210.0100.07320.55
5.6.200.0000.05018.14
5.6.190.0100.08720.46
5.6.180.0470.08020.46
5.6.170.0230.04720.51
5.6.160.0100.07020.70
5.6.150.0100.07718.15
5.6.140.0030.05018.23
5.6.130.0130.07318.14
5.6.120.0100.08021.01
5.6.110.0070.07720.96
5.6.100.0070.05721.05
5.6.90.0070.08321.13
5.6.80.0170.07320.40
5.6.70.4500.04720.50
5.5.350.0070.07320.39
5.5.340.0100.06318.02
5.5.330.0070.08020.27
5.5.320.0200.09020.37
5.5.310.0300.07720.36
5.5.300.0170.05317.95
5.5.290.0130.07317.98
5.5.280.0230.06320.72
5.5.270.0130.04720.86
5.5.260.0070.08320.76
5.5.250.0070.08320.68
5.5.240.0000.04020.15
5.4.450.0470.05043.87
5.4.440.0200.04343.79
5.4.430.0300.05343.77
5.4.420.0130.05343.77
5.4.410.0470.04343.77
5.4.400.0370.04043.77
5.4.390.0330.04043.75
5.4.380.0170.05018.56
5.4.370.0070.06318.71
5.4.360.0270.04018.62
5.4.350.0130.06018.74
5.4.340.0300.04318.74
5.4.320.0040.03812.50
5.4.310.0070.03612.50
5.4.300.0060.03612.50
5.4.290.0100.04112.50
5.4.280.0060.03512.39
5.4.270.0050.03612.39
5.4.260.0050.03912.39
5.4.250.0030.04012.39
5.4.240.0090.04312.40
5.4.230.0070.04012.39
5.4.220.0050.03612.39
5.4.210.0030.03812.39
5.4.200.0060.03612.38
5.4.190.0070.03612.38
5.4.180.0060.03512.39
5.4.170.0060.04112.40
5.4.160.0060.03512.39
5.4.150.0050.03712.39
5.4.140.0080.03412.07
5.4.130.0030.03712.06
5.4.120.0070.03312.02
5.4.110.0100.03112.01
5.4.100.0040.04112.01
5.4.90.0070.03512.01
5.4.80.0070.03612.02
5.4.70.0070.03412.00
5.4.60.0040.03612.01
5.4.50.0050.03712.01
5.4.40.0040.03712.00
5.4.30.0040.03711.99
5.4.20.0030.03711.99
5.4.10.0040.03511.99
5.4.00.0090.03811.48
5.3.290.0050.04012.80
5.3.280.0100.03812.71
5.3.270.0100.03512.72
5.3.260.0100.03512.72
5.3.250.0070.03612.72
5.3.240.0070.03712.72
5.3.230.0070.04212.71
5.3.220.0040.03912.68
5.3.210.0060.03912.68
5.3.200.0050.03812.68
5.3.190.0040.03812.68
5.3.180.0040.03712.67
5.3.170.0100.03212.67
5.3.160.0060.05012.67
5.3.150.0090.03412.68
5.3.140.0040.03712.66
5.3.130.0070.03712.66
5.3.120.0070.03712.66
5.3.110.0120.03912.66
5.3.100.0100.03412.12
5.3.90.0080.03512.10
5.3.80.0040.03912.09
5.3.70.0080.03612.09
5.3.60.0090.04112.07
5.3.50.0060.05812.02
5.3.40.0070.04912.02
5.3.30.0100.04111.98
5.3.20.0070.04711.76
5.3.10.0120.06711.72
5.3.00.0130.04111.71
5.2.170.0130.0449.22
5.2.160.0130.0369.21
5.2.150.0220.0849.21
5.2.140.0140.0559.21
5.2.130.0100.0459.17
5.2.120.0080.0369.18
5.2.110.0100.0479.18
5.2.100.0100.0429.18
5.2.90.0050.0329.18
5.2.80.0070.0349.17
5.2.70.0070.0369.17
5.2.60.0050.0369.13
5.2.50.0090.0309.09
5.2.40.0080.0319.07
5.2.30.0090.0369.04
5.2.20.0070.0499.03
5.2.10.0130.0298.94
5.2.00.0070.0318.80
5.1.60.0100.0388.09
5.1.50.0080.0248.09
5.1.40.0040.0288.07
5.1.30.0080.0248.41
5.1.20.0070.0278.44
5.1.10.0050.0318.16
5.1.00.0030.0288.16
5.0.50.0040.0226.63
5.0.40.0010.0246.49
5.0.30.0020.0346.31
5.0.20.0040.0216.28
5.0.10.0050.0206.25
5.0.00.0030.0316.25
4.4.90.0060.0174.78
4.4.80.0020.0174.75
4.4.70.0050.0144.75
4.4.60.0030.0224.75
4.4.50.0040.0164.77
4.4.40.0060.0284.71
4.4.30.0010.0174.76
4.4.20.0020.0174.84
4.4.10.0040.0154.85
4.4.00.0030.0244.76
4.3.110.0040.0144.67
4.3.100.0020.0154.66
4.3.90.0010.0174.63
4.3.80.0020.0264.58
4.3.70.0010.0164.63
4.3.60.0020.0154.63
4.3.50.0010.0174.63
4.3.40.0050.0234.54
4.3.30.0020.0163.30
4.3.20.0070.0123.28
4.3.10.0020.0163.24
4.3.00.0030.02043.73

preferences:
42.88 ms | 401 KiB | 5 Q