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 strval(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)
8.3.60.0140.00718.45
8.3.50.0120.00422.05
8.3.40.0000.01418.68
8.3.30.0070.01019.10
8.3.20.0070.00020.27
8.3.10.0070.00023.59
8.3.00.0040.00419.68
8.2.180.0130.00716.75
8.2.170.0110.00322.96
8.2.160.0110.00420.48
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0100.00017.59
8.2.110.0030.00622.25
8.2.100.0080.00320.35
8.2.90.0080.00019.15
8.2.80.0040.00417.97
8.2.70.0080.00017.75
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0040.00819.94
8.2.30.0040.00418.25
8.2.20.0070.00017.79
8.2.10.0070.00018.06
8.2.00.0000.00717.80
8.1.280.0130.00325.92
8.1.270.0030.00623.82
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00423.72
8.1.230.0040.00819.02
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0040.00417.48
8.1.190.0080.00017.35
8.1.180.0040.00418.10
8.1.170.0030.00618.52
8.1.160.0040.00421.95
8.1.150.0000.00718.61
8.1.140.0050.00217.45
8.1.130.0040.00417.82
8.1.120.0000.00717.50
8.1.110.0070.00017.36
8.1.100.0070.00017.38
8.1.90.0030.00517.49
8.1.80.0030.00317.33
8.1.70.0030.00317.41
8.1.60.0060.00317.52
8.1.50.0050.00317.52
8.1.40.0080.00017.54
8.1.30.0000.00917.54
8.1.20.0070.00017.67
8.1.10.0000.00817.65
8.1.00.0040.00417.47
8.0.300.0000.00718.77
8.0.290.0050.00316.88
8.0.280.0030.00318.55
8.0.270.0040.00417.25
8.0.260.0030.00317.20
8.0.250.0000.00717.03
8.0.240.0040.00416.97
8.0.230.0030.00316.95
8.0.220.0070.00016.88
8.0.210.0000.00616.97
8.0.200.0050.00316.98
8.0.190.0040.00417.04
8.0.180.0070.00016.96
8.0.170.0030.00516.88
8.0.160.0040.00416.98
8.0.150.0100.00016.95
8.0.140.0030.00416.90
8.0.130.0030.00313.41
8.0.120.0040.00416.93
8.0.110.0000.00716.94
8.0.100.0070.00016.98
8.0.90.0000.00716.83
8.0.80.0030.01316.83
8.0.70.0000.00716.95
8.0.60.0030.00316.91
8.0.50.0000.00716.85
8.0.30.0080.01217.05
8.0.20.0220.01117.40
8.0.10.0030.00317.18
8.0.00.0070.01016.93
7.4.330.0040.00315.00
7.4.320.0000.00916.63
7.4.300.0030.00316.53
7.4.290.0030.00316.41
7.4.280.0040.00416.57
7.4.270.0000.00716.59
7.4.260.0000.00716.58
7.4.250.0050.00316.57
7.4.240.0030.00416.52
7.4.230.0070.00016.48
7.4.220.0080.01216.41
7.4.210.0140.00016.47
7.4.200.0050.00216.70
7.4.160.0030.01216.55
7.4.150.0150.00317.40
7.4.140.0110.01017.86
7.4.130.0070.01016.53
7.4.120.0100.00916.57
7.4.110.0120.01216.40
7.4.100.0060.01316.61
7.4.90.0130.00316.66
7.4.80.0140.00319.39
7.4.70.0100.00616.34
7.4.60.0060.01016.49
7.4.50.0000.00816.39
7.4.40.0180.00016.69
7.4.30.0080.00816.76
7.4.00.0050.01114.74
7.3.330.0020.00213.38
7.3.320.0020.00213.17
7.3.310.0030.00316.41
7.3.300.0000.00716.41
7.3.290.0140.00016.37
7.3.280.0070.01116.35
7.3.270.0090.00917.40
7.3.260.0100.01416.45
7.3.250.0020.01816.43
7.3.240.0110.01516.36
7.3.230.0080.00816.43
7.3.210.0090.00916.50
7.3.200.0060.01119.39
7.3.190.0130.00916.57
7.3.180.0080.01016.22
7.3.170.0100.00616.43
7.3.160.0040.01916.38
7.3.120.0080.00814.73
7.3.110.0100.00714.61
7.3.100.0030.01514.59
7.3.90.0030.00614.79
7.3.80.0000.00914.68
7.3.70.0070.00714.73
7.3.60.0070.00714.80
7.3.50.0060.00614.79
7.3.40.0060.00614.75
7.3.30.0040.00714.71
7.3.20.0030.01416.48
7.3.10.0100.00616.49
7.3.00.0110.00616.52
7.2.330.0210.00316.64
7.2.320.0060.01016.84
7.2.310.0080.00916.48
7.2.300.0130.00316.71
7.2.290.0030.01316.61
7.2.250.0060.00914.99
7.2.240.0100.01015.00
7.2.230.0040.01114.89
7.2.220.0030.00915.19
7.2.210.0030.01315.01
7.2.200.0090.00615.17
7.2.190.0090.00315.02
7.2.180.0120.00414.88
7.2.170.0070.00714.88
7.2.130.0090.00916.73
7.2.120.0120.00816.81
7.2.110.0100.00716.69
7.2.100.0060.01016.68
7.2.90.0080.00716.84
7.2.80.0100.00616.86
7.2.70.0100.00816.63
7.2.60.0050.01216.81
7.2.50.0110.00716.67
7.2.40.0150.00916.46
7.2.30.0100.00916.52
7.2.20.0140.01116.82
7.2.10.0090.00616.62
7.2.00.0090.01017.60
7.1.330.0070.00715.72
7.1.320.0030.01015.77
7.1.310.0060.00915.84
7.1.300.0030.00615.66
7.1.290.0070.00715.50
7.1.280.0100.00315.58
7.1.270.0060.00915.71
7.1.260.0090.00015.64
7.1.250.0030.00915.44
7.1.100.0000.01118.25
7.1.70.0030.00616.80
7.1.60.0090.01519.70
7.1.50.0070.01916.88
7.1.00.0070.07322.28
7.0.200.0100.00716.57
7.0.140.0000.07721.96
7.0.60.0030.06019.91
7.0.50.0030.04017.83
7.0.40.0070.08020.25
7.0.30.0500.07320.32
7.0.20.0400.06020.30
7.0.10.0130.08020.24
7.0.00.0100.04720.14
5.6.210.0070.03720.75
5.6.200.0100.05018.22
5.6.190.0130.04720.61
5.6.180.3770.05020.39
5.6.170.0200.09020.62
5.6.160.0030.04320.46
5.6.150.0100.06018.27
5.6.140.0030.05018.15
5.6.130.0030.08718.27
5.6.120.0070.08321.09
5.6.110.0100.06321.11
5.6.100.0170.06320.99
5.6.90.0030.08020.97
5.6.80.0100.07320.29
5.6.70.4570.03020.40
5.5.350.0030.07020.39
5.5.340.0070.08017.98
5.5.330.0100.08020.41
5.5.320.0370.07320.38
5.5.310.0270.04720.34
5.5.300.0030.05017.98
5.5.290.0000.04718.07
5.5.280.0030.04020.79
5.5.270.0100.06720.89
5.5.260.0000.04720.86
5.5.250.0130.08720.55
5.5.240.0270.07320.25
5.4.450.0230.05743.87
5.4.440.0270.03743.79
5.4.430.0400.04343.77
5.4.420.0170.03743.77
5.4.410.0670.04743.77
5.4.400.0200.04743.77
5.4.390.0430.05043.75
5.4.380.0200.05018.73
5.4.370.0270.04318.63
5.4.360.0100.06018.73
5.4.350.0100.06318.71
5.4.340.0200.04718.47
5.4.320.0050.03712.50
5.4.310.0090.05212.50
5.4.300.0120.04912.50
5.4.290.0080.04012.50
5.4.280.0050.03612.39
5.4.270.0060.03912.39
5.4.260.0090.03412.39
5.4.250.0040.04012.39
5.4.240.0040.03812.39
5.4.230.0070.03712.39
5.4.220.0070.03512.39
5.4.210.0060.03512.39
5.4.200.0070.03612.39
5.4.190.0040.03712.38
5.4.180.0060.03612.38
5.4.170.0070.04412.39
5.4.160.0060.03612.39
5.4.150.0060.03612.38
5.4.140.0080.03512.07
5.4.130.0060.03412.06
5.4.120.0110.03212.01
5.4.110.0040.03712.01
5.4.100.0060.03512.01
5.4.90.0040.03812.02
5.4.80.0060.03612.02
5.4.70.0060.03512.01
5.4.60.0050.03612.00
5.4.50.0060.03712.01
5.4.40.0050.03912.00
5.4.30.0070.03511.99
5.4.20.0090.03411.99
5.4.10.0040.03611.99
5.4.00.0100.04111.48
5.3.290.0060.03912.80
5.3.280.0050.04412.71
5.3.270.0070.03912.72
5.3.260.0070.05412.71
5.3.250.0050.03712.72
5.3.240.0060.04312.72
5.3.230.0070.03612.71
5.3.220.0070.03512.68
5.3.210.0050.03912.68
5.3.200.0060.03612.68
5.3.190.0070.03612.68
5.3.180.0080.04412.68
5.3.170.0080.04512.66
5.3.160.0110.03812.67
5.3.150.0050.03912.67
5.3.140.0060.03712.66
5.3.130.0060.03912.66
5.3.120.0080.03612.66
5.3.110.0050.03912.66
5.3.100.0050.04712.11
5.3.90.0090.03812.10
5.3.80.0060.04212.09
5.3.70.0070.03612.09
5.3.60.0100.05012.07
5.3.50.0060.03612.02
5.3.40.0100.03212.02
5.3.30.0080.03311.98
5.3.20.0070.03311.76
5.3.10.0120.03711.73
5.3.00.0070.03411.71
5.2.170.0070.0339.21
5.2.160.0070.0349.21
5.2.150.0060.0309.21
5.2.140.0070.0299.21
5.2.130.0110.0369.18
5.2.120.0020.0339.17
5.2.110.0040.0319.18
5.2.100.0040.0309.18
5.2.90.0050.0299.18
5.2.80.0060.0349.16
5.2.70.0050.0369.17
5.2.60.0030.0399.13
5.2.50.0050.0349.09
5.2.40.0030.0309.07
5.2.30.0050.0349.04
5.2.20.0070.0319.03
5.2.10.0060.0338.94
5.2.00.0070.0278.80
5.1.60.0070.0218.09
5.1.50.0050.0248.09
5.1.40.0030.0288.07
5.1.30.0050.0298.41
5.1.20.0050.0368.44
5.1.10.0050.0248.16
5.1.00.0020.0278.16
5.0.50.0050.0306.64
5.0.40.0020.0216.49
5.0.30.0040.0396.31
5.0.20.0050.0356.27
5.0.10.0020.0216.25
5.0.00.0030.0306.25
4.4.90.0020.0164.78
4.4.80.0030.0144.76
4.4.70.0010.0274.75
4.4.60.0040.0134.75
4.4.50.0050.0214.77
4.4.40.0040.0304.71
4.4.30.0040.0174.76
4.4.20.0030.0164.84
4.4.10.0040.0184.85
4.4.00.0020.0254.76
4.3.110.0040.0144.67
4.3.100.0060.0204.67
4.3.90.0010.0164.63
4.3.80.0020.0244.58
4.3.70.0020.0224.63
4.3.60.0020.0144.63
4.3.50.0040.0224.63
4.3.40.0030.0264.54
4.3.30.0030.0143.30
4.3.20.0020.0153.28
4.3.10.0000.0173.23
4.3.00.0100.02043.73

preferences:
43.49 ms | 401 KiB | 5 Q