3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "null != 'string' -> "; var_dump(null != 'string'); echo "<br />"; echo "false != 'string' -> "; var_dump(false != 'string'); echo "<br />"; echo "0 != 'string' -> "; var_dump(0 != 'string'); echo "<br />"; echo "1 != 'string' -> "; var_dump(1 != 'string');

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)
8.3.60.0120.00318.30
8.3.50.0090.00821.90
8.3.40.0070.00718.54
8.3.30.0090.00918.92
8.3.20.0000.00720.29
8.3.10.0080.00023.66
8.3.00.0050.00317.80
8.2.180.0150.00318.07
8.2.170.0110.00422.96
8.2.160.0030.01020.32
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.89
8.2.110.0070.00319.17
8.2.100.0070.00419.32
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0050.00319.76
8.2.30.0060.00318.00
8.2.20.0040.00417.60
8.2.10.0020.00517.93
8.2.00.0060.00317.59
8.1.280.0100.00725.92
8.1.270.0080.00023.79
8.1.260.0040.00426.35
8.1.250.0100.00328.09
8.1.240.0000.00821.25
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.13
8.1.190.0030.00517.10
8.1.180.0040.00418.10
8.1.170.0080.00018.41
8.1.160.0000.00721.94
8.1.150.0040.00418.75
8.1.140.0070.00017.32
8.1.130.0070.00017.80
8.1.120.0040.00317.32
8.1.110.0040.00417.32
8.1.100.0030.00517.38
8.1.90.0050.00217.37
8.1.80.0000.00817.39
8.1.70.0030.00317.27
8.1.60.0030.00517.48
8.1.50.0050.00317.38
8.1.40.0050.00317.28
8.1.30.0000.00817.40
8.1.20.0070.00017.56
8.1.10.0000.00717.40
8.1.00.0040.00417.34
8.0.300.0000.00818.77
8.0.290.0000.00916.63
8.0.280.0000.00718.24
8.0.270.0030.00317.10
8.0.260.0000.00818.42
8.0.250.0000.00716.80
8.0.240.0030.00516.77
8.0.230.0000.00716.80
8.0.220.0000.00716.82
8.0.210.0000.00816.63
8.0.200.0030.00316.80
8.0.190.0050.00216.84
8.0.180.0000.00716.68
8.0.170.0000.00916.80
8.0.160.0040.00416.76
8.0.150.0040.00416.57
8.0.140.0040.00416.78
8.0.130.0030.00313.23
8.0.120.0000.00816.68
8.0.110.0040.00416.78
8.0.100.0030.00516.71
8.0.90.0070.00016.64
8.0.80.0070.01416.75
8.0.70.0040.00416.88
8.0.60.0070.00016.82
8.0.50.0000.00716.77
8.0.30.0130.00516.88
8.0.20.0150.00617.40
8.0.10.0050.00316.75
8.0.00.0100.00716.66
7.4.330.0030.00315.00
7.4.320.0000.00616.51
7.4.300.0030.00616.37
7.4.290.0060.00316.43
7.4.280.0000.00716.43
7.4.270.0000.00716.27
7.4.260.0030.00316.42
7.4.250.0070.00016.47
7.4.240.0040.00416.48
7.4.230.0000.00716.39
7.4.220.0060.01216.34
7.4.210.0080.00516.33
7.4.200.0030.00316.55
7.4.160.0090.00916.17
7.4.150.0100.00717.40
7.4.140.0140.00717.86
7.4.130.0040.01216.54
7.4.120.0100.00616.40
7.4.110.0060.01616.48
7.4.100.0150.00316.20
7.4.90.0060.01216.34
7.4.80.0090.00919.39
7.4.70.0110.00816.40
7.4.60.0060.01516.18
7.4.50.0040.00016.38
7.4.40.0070.01016.36
7.4.30.0120.00316.49
7.4.00.0030.01414.82
7.3.330.0000.00512.97
7.3.320.0000.00513.00
7.3.310.0040.00416.08
7.3.300.0000.00716.12
7.3.290.0050.01216.07
7.3.280.0100.01116.19
7.3.270.0150.00317.40
7.3.260.0160.00616.35
7.3.250.0080.01216.37
7.3.240.0120.00616.45
7.3.230.0070.01016.39
7.3.210.0130.00916.34
7.3.200.0100.00619.39
7.3.190.0090.01216.39
7.3.180.0090.00616.10
7.3.170.0030.01316.36
7.3.160.0060.00916.32
7.3.120.0100.00315.03
7.3.10.0040.01416.62
7.3.00.0100.00616.50
7.2.330.0040.01416.28
7.2.320.0130.00916.59
7.2.310.0080.01116.64
7.2.300.0040.02016.20
7.2.290.0130.00316.61
7.2.130.0040.00816.50
7.2.120.0060.00616.32
7.2.110.0000.01216.83
7.2.100.0040.01116.61
7.2.90.0070.00317.02
7.2.80.0070.00716.36
7.2.70.0090.00916.81
7.2.60.0060.00616.66
7.2.50.0070.00716.95
7.2.40.0070.00716.78
7.2.30.0090.00616.86
7.2.20.0060.00916.70
7.2.10.0030.01016.58
7.2.00.0040.00718.00
7.1.250.0070.00715.76
7.1.100.0270.00717.37
7.1.70.0000.01017.14
7.1.60.0130.00319.70
7.1.50.0060.00616.87
7.1.00.0070.07322.44
7.0.200.0050.00316.39
7.0.140.0030.07322.08
7.0.60.0030.04719.78
7.0.50.0070.08317.82
7.0.40.0200.07320.12
7.0.30.0330.07020.16
7.0.20.0370.07320.20
7.0.10.0070.06020.09
7.0.00.0100.07720.13
5.6.280.0070.07020.98
5.6.210.0100.08020.59
5.6.200.0100.03318.08
5.6.190.0100.05320.33
5.6.180.3730.04320.50
5.6.170.0370.04720.42
5.6.160.0030.04320.37
5.6.150.0030.04718.09
5.6.140.0030.04718.18
5.6.130.0070.08718.16
5.6.120.0070.04020.89
5.6.110.0030.07020.97
5.6.100.0070.07721.04
5.6.90.0170.06721.12
5.6.80.0100.03720.40
5.5.350.3230.04320.29
5.5.340.0170.07317.89
5.5.330.0030.04320.21
5.5.320.0370.04320.29
5.5.310.0330.04720.29
5.5.300.0100.06717.97
5.5.290.0100.07017.95
5.5.280.0100.05320.75
5.5.270.0000.05020.86
5.5.260.0070.05320.64
5.5.250.0130.07720.66
5.5.240.0130.07320.06
5.4.450.0970.05319.42
5.4.440.0800.03719.24
5.4.430.1470.03719.38
5.4.420.1270.04719.10
5.4.410.1570.03719.33
5.4.400.1000.04318.78
5.4.390.0730.02719.11
5.4.380.0400.06718.68
5.4.370.0400.05718.73
5.4.360.0300.05318.72
5.4.350.0300.05318.73
5.4.340.0530.04718.72
5.4.320.0060.03612.45
5.4.310.0080.03612.45
5.4.300.0040.03912.46
5.4.290.0060.03912.45
5.4.280.0050.03812.35
5.4.270.0050.03812.35
5.4.260.0060.03712.35
5.4.250.0100.03512.35
5.4.240.0060.03612.35
5.4.230.0070.03812.34
5.4.220.0070.03412.34
5.4.210.0090.03212.34
5.4.200.0080.03612.34
5.4.190.0070.03912.34
5.4.180.0050.03712.34
5.4.170.0060.03612.35
5.4.160.0050.03912.34
5.4.150.0080.03612.34
5.4.140.0070.03812.03
5.4.130.0080.03412.02
5.4.120.0050.03711.97
5.4.110.0070.03511.97
5.4.100.0050.03811.96
5.4.90.0100.03411.96
5.4.80.0050.03911.96
5.4.70.0060.03611.96
5.4.60.0050.03711.96
5.4.50.0060.03611.96
5.4.40.0090.03211.95
5.4.30.0070.03611.95
5.4.20.0020.04011.94
5.4.10.0080.04511.95
5.4.00.0080.03311.43
5.3.290.0080.03612.80
5.3.280.0110.03412.71
5.3.270.0070.03912.72
5.3.260.0060.04012.72
5.3.250.0090.03612.72
5.3.240.0080.03512.72
5.3.230.0050.03912.71
5.3.220.0060.03812.68
5.3.210.0060.03912.68
5.3.200.0050.03812.68
5.3.190.0100.04012.68
5.3.180.0050.03912.68
5.3.170.0060.03812.66
5.3.160.0090.03412.68
5.3.150.0050.03912.68
5.3.140.0050.03812.66
5.3.130.0050.03912.66
5.3.120.0080.03612.66
5.3.110.0080.03712.66
5.3.100.0080.03512.12
5.3.90.0060.03512.08
5.3.80.0070.03712.08
5.3.70.0070.03612.07
5.3.60.0050.03812.07
5.3.50.0070.04012.00
5.3.40.0030.03912.00
5.3.30.0080.03211.94
5.3.20.0040.03811.73
5.3.10.0030.03811.69
5.3.00.0050.04711.67
5.2.170.0070.0419.18
5.2.160.0040.0389.17
5.2.150.0080.0319.18
5.2.140.0070.0339.17
5.2.130.0030.0319.14
5.2.120.0090.0249.14
5.2.110.0110.0319.14
5.2.100.0060.0369.14
5.2.90.0060.0309.14
5.2.80.0020.0339.13
5.2.70.0050.0309.14
5.2.60.0070.0319.08
5.2.50.0060.0289.05
5.2.40.0030.0299.03
5.2.30.0060.0289.00
5.2.20.0070.0269.00
5.2.10.0050.0278.91
5.2.00.0030.0308.78
5.1.60.0040.0258.06
5.1.50.0040.0268.06
5.1.40.0040.0258.04
5.1.30.0050.0248.39
5.1.20.0050.0268.41
5.1.10.0040.0268.14
5.1.00.0070.0328.14
5.0.50.0040.0226.62
5.0.40.0040.0196.47
5.0.30.0050.0296.29
5.0.20.0030.0196.26
5.0.10.0070.0166.23
5.0.00.0050.0296.23
4.4.90.0030.0164.78
4.4.80.0030.0174.76
4.4.70.0040.0144.75
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0000.0294.71
4.4.30.0020.0164.75
4.4.20.0060.0124.84
4.4.10.0040.0144.85
4.4.00.0010.0274.76
4.3.110.0020.0174.67
4.3.100.0010.0164.67
4.3.90.0020.0154.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0050.0124.63
4.3.50.0040.0154.63
4.3.40.0040.0234.53
4.3.30.0010.0173.29
4.3.20.0000.0183.27
4.3.10.0030.0153.23
4.3.00.0030.01314.98

preferences:
40.32 ms | 401 KiB | 5 Q