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; } } $false = new FalseObject(); if ( (bool)$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)
8.3.60.0090.00616.75
8.3.50.0080.01021.90
8.3.40.0090.00618.86
8.3.30.0110.00319.09
8.3.20.0070.00020.31
8.3.10.0040.00423.48
8.3.00.0080.00019.79
8.2.180.0070.00716.38
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00717.60
8.2.110.0030.00621.97
8.2.100.0070.00420.40
8.2.90.0040.00419.11
8.2.80.0060.00317.97
8.2.70.0050.00317.63
8.2.60.0040.00417.90
8.2.50.0030.00618.07
8.2.40.0080.00418.09
8.2.30.0000.00718.25
8.2.20.0040.00417.73
8.2.10.0030.00518.06
8.2.00.0000.00717.61
8.1.280.0110.00725.92
8.1.270.0000.00923.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.03
8.1.230.0040.00719.14
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0070.00317.48
8.1.190.0040.00417.35
8.1.180.0030.00518.10
8.1.170.0050.00318.52
8.1.160.0000.00722.05
8.1.150.0000.00818.67
8.1.140.0000.00717.39
8.1.130.0030.00317.79
8.1.120.0040.00417.48
8.1.110.0000.00717.45
8.1.100.0030.00317.45
8.1.90.0000.00717.45
8.1.80.0070.00017.34
8.1.70.0000.00717.42
8.1.60.0040.00417.49
8.1.50.0030.00517.53
8.1.40.0000.00817.45
8.1.30.0000.00817.65
8.1.20.0040.00417.59
8.1.10.0000.00717.45
8.1.00.0030.00617.52
8.0.300.0050.00318.77
8.0.290.0000.00716.88
8.0.280.0070.00018.45
8.0.270.0040.00417.12
8.0.260.0000.00717.17
8.0.250.0050.00216.99
8.0.240.0000.00817.01
8.0.230.0000.00716.99
8.0.220.0000.00716.98
8.0.210.0030.00316.84
8.0.200.0030.00317.05
8.0.190.0030.00617.01
8.0.180.0020.00516.94
8.0.170.0040.00417.03
8.0.160.0030.00316.84
8.0.150.0040.00416.97
8.0.140.0070.00016.85
8.0.130.0060.00013.43
8.0.120.0040.00416.94
8.0.110.0000.00716.99
8.0.100.0000.00716.93
8.0.90.0040.00416.82
8.0.80.0090.00617.02
8.0.70.0080.00016.82
8.0.60.0080.00017.02
8.0.50.0040.00416.82
8.0.30.0130.00717.14
8.0.20.0120.00817.40
8.0.10.0000.00716.95
8.0.00.0110.01116.83
7.4.330.0000.00615.00
7.4.320.0090.00016.58
7.4.300.0000.00716.65
7.4.290.0070.00016.52
7.4.280.0000.00716.52
7.4.270.0030.00316.60
7.4.260.0070.00016.51
7.4.250.0080.00016.62
7.4.240.0060.00216.59
7.4.230.0000.00716.30
7.4.220.0110.00716.58
7.4.210.0070.01316.58
7.4.200.0070.00016.64
7.4.160.0090.00616.58
7.4.150.0120.00617.40
7.4.140.0090.00817.86
7.4.130.0080.00816.59
7.4.120.0080.00816.57
7.4.110.0130.00316.40
7.4.100.0100.00716.61
7.4.90.0180.00016.65
7.4.80.0160.00319.39
7.4.70.0100.00716.54
7.4.60.0070.01016.71
7.4.50.0080.00016.50
7.4.40.0140.00316.62
7.4.30.0120.00316.52
7.4.00.0050.01214.88
7.3.330.0030.00313.17
7.3.320.0000.00513.07
7.3.310.0040.00416.21
7.3.300.0030.00316.31
7.3.290.0080.00416.32
7.3.280.0130.00716.32
7.3.270.0070.01017.40
7.3.260.0100.00916.35
7.3.250.0090.01016.27
7.3.240.0080.01416.33
7.3.230.0070.01416.39
7.3.210.0030.01616.36
7.3.200.0040.01219.39
7.3.190.0100.00716.27
7.3.180.0070.01316.39
7.3.170.0080.00816.27
7.3.160.0100.00616.37
7.3.120.0050.01114.74
7.3.110.0070.00714.79
7.3.100.0030.00914.45
7.3.90.0040.01114.64
7.3.80.0090.00314.89
7.3.70.0060.00614.78
7.3.60.0110.00414.55
7.3.50.0080.00014.64
7.3.40.0060.00914.71
7.3.30.0070.00714.60
7.3.20.0030.00916.36
7.3.10.0060.00316.70
7.3.00.0080.00416.39
7.2.330.0040.01416.72
7.2.320.0070.01016.77
7.2.310.0100.01416.49
7.2.300.0050.01116.48
7.2.290.0090.01316.63
7.2.250.0100.00314.86
7.2.240.0090.00914.78
7.2.230.0100.00714.84
7.2.220.0080.00814.86
7.2.210.0090.00615.30
7.2.200.0090.00615.11
7.2.190.0040.00814.57
7.2.180.0000.01214.83
7.2.170.0110.00415.14
7.2.60.0030.01316.45
7.2.00.0090.00919.02
7.1.330.0040.00715.75
7.1.320.0110.00415.82
7.1.310.0060.00615.74
7.1.300.0040.01115.68
7.1.290.0040.01115.93
7.1.280.0040.00715.65
7.1.270.0090.00615.59
7.1.260.0120.00315.67
7.1.200.0040.00715.68
7.1.100.0030.00617.97
7.1.70.0000.00816.98
7.1.60.0060.01919.70
7.1.50.0040.02116.77
7.1.00.0030.07722.42
7.0.200.0030.00816.42
7.0.140.0030.07322.02
7.0.60.0070.08719.78
7.0.50.0100.07317.91
7.0.40.0030.10020.37
7.0.30.0230.04720.23
7.0.20.0400.07720.06
7.0.10.0130.08320.30
7.0.00.0170.07320.07
5.6.280.0000.07721.08
5.6.210.0100.07720.53
5.6.200.0230.03018.23
5.6.190.0070.05020.77
5.6.180.0470.06720.61
5.6.170.0230.08020.52
5.6.160.0030.08720.44
5.6.150.0130.06318.21
5.6.140.0070.08018.29
5.6.130.0070.08718.18
5.6.120.0070.08020.97
5.6.110.0070.03721.09
5.6.100.0070.08021.02
5.6.90.0000.09320.98
5.6.80.0030.09020.39
5.5.350.0170.07320.44
5.5.340.0030.08317.93
5.5.330.0070.08720.13
5.5.320.0470.06720.36
5.5.310.0270.04020.30
5.5.300.0100.08018.04
5.5.290.0000.08318.03
5.5.280.0130.08020.77
5.5.270.0100.07320.68
5.5.260.0030.05020.64
5.5.250.0030.04320.71
5.5.240.0070.07320.16
5.4.450.1070.04719.41
5.4.440.0300.05043.90
5.4.430.0400.04743.90
5.4.420.0670.04043.89
5.4.410.0130.04743.86
5.4.400.0170.04343.80
5.4.390.0300.03043.90
5.4.380.0230.05018.68
5.4.370.0170.05318.67
5.4.360.0270.07018.74
5.4.350.0200.05318.72
5.4.340.0100.06318.47
5.4.320.0100.03412.50
5.4.310.0060.03812.50
5.4.300.0060.04312.50
5.4.290.0070.04912.50
5.4.280.0060.03412.40
5.4.270.0080.03412.39
5.4.260.0060.03912.39
5.4.250.0030.04112.39
5.4.240.0040.03712.40
5.4.230.0070.03612.38
5.4.220.0050.03812.39
5.4.210.0040.03712.39
5.4.200.0050.03712.39
5.4.190.0060.03512.38
5.4.180.0070.04512.39
5.4.170.0070.04012.39
5.4.160.0060.04112.39
5.4.150.0060.04012.39
5.4.140.0080.04512.07
5.4.130.0070.04012.05
5.4.120.0080.03712.01
5.4.110.0100.03512.01
5.4.100.0060.04012.02
5.4.90.0030.04212.01
5.4.80.0060.03612.02
5.4.70.0050.04712.01
5.4.60.0060.03512.01
5.4.50.0120.04012.00
5.4.40.0090.04411.99
5.4.30.0060.03812.00
5.4.20.0040.04211.99
5.4.10.0040.03811.99
5.4.00.0060.03611.49
5.3.290.0070.04912.80
5.3.280.0090.04012.71
5.3.270.0070.04712.72
5.3.260.0070.04812.72
5.3.250.0080.04012.72
5.3.240.0070.05312.72
5.3.230.0050.03812.71
5.3.220.0080.04912.68
5.3.210.0100.04312.68
5.3.200.0040.03712.68
5.3.190.0070.04212.68
5.3.180.0030.03912.67
5.3.170.0090.03312.67
5.3.160.0060.03712.68
5.3.150.0080.04312.67
5.3.140.0050.04912.66
5.3.130.0100.04212.66
5.3.120.0100.05012.66
5.3.110.0050.03912.66
5.3.100.0050.03612.12
5.3.90.0080.03812.10
5.3.80.0060.03612.10
5.3.70.0110.03712.09
5.3.60.0070.03612.07
5.3.50.0090.03312.02
5.3.40.0080.03612.03
5.3.30.0060.03511.98
5.3.20.0050.04111.77
5.3.10.0060.05011.73
5.3.00.0030.04811.72
5.2.170.0080.0289.22
5.2.160.0050.0289.22
5.2.150.0060.0299.22
5.2.140.0070.0289.21
5.2.130.0060.0329.18
5.2.120.0010.0329.17
5.2.110.0030.0309.18
5.2.100.0040.0299.18
5.2.90.0080.0259.18
5.2.80.0050.0309.18
5.2.70.0060.0299.17
5.2.60.0040.0319.13
5.2.50.0040.0319.10
5.2.40.0050.0289.08
5.2.30.0060.0279.05
5.2.20.0040.0299.04
5.2.10.0040.0288.95
5.2.00.0020.0318.80
5.1.60.0040.0238.09
5.1.50.0050.0238.09
5.1.40.0050.0248.07
5.1.30.0060.0248.41
5.1.20.0060.0258.43
5.1.10.0050.0248.16
5.1.00.0050.0248.16
5.0.50.0060.0306.64
5.0.40.0030.0236.49
5.0.30.0010.0366.31
5.0.20.0040.0196.27
5.0.10.0040.0196.25
5.0.00.0030.0316.24
4.4.90.0020.0164.78
4.4.80.0030.0154.75
4.4.70.0030.0154.75
4.4.60.0040.0224.75
4.4.50.0040.0194.77
4.4.40.0030.0284.71
4.4.30.0040.0174.76
4.4.20.0040.0214.85
4.4.10.0060.0164.85
4.4.00.0040.0254.76
4.3.110.0050.0174.67
4.3.100.0020.0164.66
4.3.90.0060.0164.64
4.3.80.0020.0254.58
4.3.70.0030.0144.63
4.3.60.0050.0124.63
4.3.50.0070.0204.63
4.3.40.0020.0244.54
4.3.30.0050.0213.30
4.3.20.0030.0233.28
4.3.10.0020.0163.23
4.3.00.0030.01743.79

preferences:
58.73 ms | 401 KiB | 5 Q