3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "null != 'string' -> "; var_dump(null != 'string'); echo "false != 'string' -> "; var_dump(false != 'string'); echo "0 != 'string' -> "; var_dump(0 != 'string'); 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)
8.3.60.0110.00418.56
8.3.50.0100.00621.92
8.3.40.0140.00018.84
8.3.30.0100.00718.93
8.3.20.0070.00020.34
8.3.10.0000.00723.66
8.3.00.0040.00417.80
8.2.180.0090.00616.32
8.2.170.0040.01122.96
8.2.160.0150.00020.52
8.2.150.0080.00024.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00521.02
8.2.110.0040.00421.97
8.2.100.0080.00418.09
8.2.90.0030.00619.22
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0000.00818.34
8.2.30.0030.00718.00
8.2.20.0070.00017.43
8.2.10.0000.00717.80
8.2.00.0040.00417.43
8.1.280.0110.00725.92
8.1.270.0000.00824.02
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0080.00022.13
8.1.230.0040.00819.22
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0040.00717.35
8.1.190.0040.00417.10
8.1.180.0040.00418.10
8.1.170.0000.00718.45
8.1.160.0040.00421.95
8.1.150.0050.00318.63
8.1.140.0040.00417.24
8.1.130.0040.00417.68
8.1.120.0030.00317.31
8.1.110.0000.00817.32
8.1.100.0050.00217.22
8.1.90.0070.00017.37
8.1.80.0000.00717.28
8.1.70.0030.00317.23
8.1.60.0030.00617.42
8.1.50.0070.00317.27
8.1.40.0040.00417.33
8.1.30.0000.00817.43
8.1.20.0040.00417.45
8.1.10.0060.00317.43
8.1.00.0040.00417.39
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0040.00418.29
8.0.270.0030.00317.06
8.0.260.0060.00018.29
8.0.250.0030.00316.79
8.0.240.0040.00416.82
8.0.230.0000.00816.74
8.0.220.0020.00516.80
8.0.210.0030.00316.76
8.0.200.0070.00016.71
8.0.190.0000.00816.79
8.0.180.0070.00016.67
8.0.170.0060.00316.75
8.0.160.0000.00716.77
8.0.150.0040.00416.72
8.0.140.0040.00416.62
8.0.130.0030.00313.12
8.0.120.0030.00516.73
8.0.110.0000.00716.82
8.0.100.0040.00416.64
8.0.90.0050.00216.78
8.0.80.0070.00716.80
8.0.70.0000.00716.82
8.0.60.0000.00816.59
8.0.50.0070.00016.75
8.0.30.0170.00217.11
8.0.20.0090.01117.40
8.0.10.0050.00316.74
8.0.00.0110.00716.72
7.4.330.0050.00015.00
7.4.320.0070.00016.46
7.4.300.0000.00716.27
7.4.290.0030.00316.51
7.4.280.0000.00716.36
7.4.270.0050.00216.52
7.4.260.0070.00016.45
7.4.250.0000.00716.32
7.4.240.0040.00416.37
7.4.230.0030.00316.49
7.4.220.0170.00716.48
7.4.210.0030.01016.47
7.4.200.0070.00016.29
7.4.160.0050.01416.44
7.4.150.0160.00517.40
7.4.140.0050.01617.86
7.4.130.0110.00516.52
7.4.120.0120.00516.36
7.4.110.0170.00416.67
7.4.100.0150.00316.18
7.4.90.0140.00316.38
7.4.80.0170.00619.39
7.4.70.0070.01216.46
7.4.60.0070.01016.41
7.4.50.0040.00416.24
7.4.40.0080.00816.20
7.4.30.0090.00616.26
7.4.00.0090.00614.61
7.3.330.0030.00213.04
7.3.320.0060.00012.88
7.3.310.0000.00716.07
7.3.300.0030.00316.14
7.3.290.0030.01616.17
7.3.280.0090.00716.16
7.3.270.0140.00317.40
7.3.260.0140.00816.29
7.3.250.0090.01016.30
7.3.240.0090.00916.23
7.3.230.0070.01016.39
7.3.210.0060.01216.23
7.3.200.0080.00819.39
7.3.190.0070.01016.41
7.3.180.0030.01216.31
7.3.170.0070.01016.52
7.3.160.0040.01216.39
7.3.120.0030.01014.38
7.2.330.0060.01216.57
7.2.320.0070.01016.48
7.2.310.0070.01016.24
7.2.300.0120.01316.45
7.2.290.0070.01516.66
7.2.00.0080.00819.29
7.1.100.0200.00717.45
7.1.70.0110.00317.03
7.1.60.0060.00919.70
7.1.50.0070.01416.79
7.1.00.0030.07722.42
7.0.200.0030.00316.73
7.0.140.0000.07722.08
7.0.60.0070.07719.93
7.0.50.0070.08017.66
7.0.40.0100.08020.04
7.0.30.0370.07020.21
7.0.20.0270.07020.18
7.0.10.0130.04320.33
7.0.00.0070.08720.33
5.6.280.0070.07021.11
5.6.210.0130.07320.53
5.6.200.0000.05018.13
5.6.190.0100.08020.35
5.6.180.0230.03320.41
5.6.170.0200.07720.41
5.6.160.0130.08320.51
5.6.150.0100.07718.22
5.6.140.0130.06718.14
5.6.130.0070.07318.15
5.6.120.0230.06720.99
5.6.110.0030.08720.94
5.6.100.0030.08720.93
5.6.90.0000.04321.00
5.6.80.0070.08020.51
5.5.350.0200.08320.43
5.5.340.0030.08317.95
5.5.330.0070.05020.57
5.5.320.0270.07720.29
5.5.310.0230.04320.30
5.5.300.0000.08018.00
5.5.290.0030.04318.00
5.5.280.0000.09020.79
5.5.270.0100.04720.76
5.5.260.0170.07020.97
5.5.250.0130.08020.61
5.5.240.0030.07720.26
5.4.450.0570.06719.51
5.4.440.0300.05719.63
5.4.430.0270.05319.48
5.4.420.0230.05719.48
5.4.410.0200.04018.84
5.4.400.0330.05318.74
5.4.390.0300.05318.68
5.4.380.0630.06318.71
5.4.370.0000.04718.65
5.4.360.0200.04018.57
5.4.350.0080.03311.98
5.4.340.0060.03711.97
5.4.320.0060.03612.46
5.4.310.0100.05212.45
5.4.300.0050.03812.46
5.4.290.0060.03812.45
5.4.280.0070.03512.35
5.4.270.0060.03612.35
5.4.260.0070.03712.35
5.4.250.0050.03812.35
5.4.240.0050.03712.35
5.4.230.0070.03612.34
5.4.220.0040.04312.34
5.4.210.0120.04012.34
5.4.200.0120.04712.34
5.4.190.0080.04612.34
5.4.180.0070.04712.34
5.4.170.0080.03812.35
5.4.160.0080.03312.34
5.4.150.0060.03612.34
5.4.140.0030.04012.02
5.4.130.0040.03812.01
5.4.120.0070.03511.97
5.4.110.0110.03111.96
5.4.100.0060.03511.96
5.4.90.0090.04011.96
5.4.80.0050.04011.96
5.4.70.0060.03511.96
5.4.60.0040.03711.96
5.4.50.0020.03911.96
5.4.40.0090.03111.95
5.4.30.0090.03311.94
5.4.20.0080.03311.95
5.4.10.0080.03211.95
5.4.00.0050.03811.43
5.3.290.0070.03812.80
5.3.280.0090.03512.70
5.3.270.0110.03512.73
5.3.260.0070.03812.72
5.3.250.0050.03812.71
5.3.240.0050.03812.72
5.3.230.0060.03812.71
5.3.220.0070.03712.68
5.3.210.0070.03812.68
5.3.200.0050.03812.68
5.3.190.0060.03812.67
5.3.180.0040.03812.68
5.3.170.0050.03812.67
5.3.160.0040.03912.68
5.3.150.0100.03312.68
5.3.140.0070.03512.66
5.3.130.0030.04212.66
5.3.120.0080.04612.66
5.3.110.0060.04212.66
5.3.100.0070.03712.12
5.3.90.0050.03712.08
5.3.80.0070.03512.08
5.3.70.0080.03412.07
5.3.60.0080.03412.06
5.3.50.0070.03912.00
5.3.40.0060.03912.00
5.3.30.0040.03611.94
5.3.20.0030.03811.72
5.3.10.0030.03911.69
5.3.00.0060.03711.67
5.2.170.0050.0309.18
5.2.160.0040.0319.18
5.2.150.0020.0339.18
5.2.140.0060.0309.17
5.2.130.0030.0329.13
5.2.120.0050.0289.14
5.2.110.0050.0299.14
5.2.100.0050.0289.14
5.2.90.0030.0319.14
5.2.80.0070.0289.13
5.2.70.0080.0279.13
5.2.60.0030.0329.08
5.2.50.0040.0309.05
5.2.40.0050.0289.03
5.2.30.0040.0309.01
5.2.20.0040.0299.00
5.2.10.0050.0298.91
5.2.00.0050.0278.78
5.1.60.0060.0238.06
5.1.50.0040.0258.05
5.1.40.0050.0238.04
5.1.30.0020.0288.39
5.1.20.0020.0298.41
5.1.10.0020.0308.14
5.1.00.0020.0298.13
5.0.50.0010.0246.61
5.0.40.0060.0176.47
5.0.30.0010.0336.29
5.0.20.0010.0226.26
5.0.10.0030.0206.23
5.0.00.0030.0306.23
4.4.90.0010.0164.78
4.4.80.0020.0154.76
4.4.70.0030.0154.76
4.4.60.0040.0144.75
4.4.50.0020.0154.77
4.4.40.0050.0224.71
4.4.30.0050.0134.76
4.4.20.0010.0174.84
4.4.10.0020.0164.85
4.4.00.0040.0234.76
4.3.110.0020.0174.67
4.3.100.0030.0144.66
4.3.90.0020.0164.63
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0020.0164.63
4.3.40.0010.0264.54
4.3.30.0020.0163.29
4.3.20.0020.0163.27
4.3.10.0020.0163.22
4.3.00.0070.0277.11

preferences:
47.58 ms | 401 KiB | 5 Q