3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( NULL == "" ); var_dump( NULL === "");

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)
8.3.40.0120.00318.54
8.3.30.0070.00718.79
8.3.20.0000.00720.25
8.3.10.0040.00423.55
8.3.00.0070.00018.89
8.2.170.0040.01122.96
8.2.160.0140.00020.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0030.00520.41
8.2.110.0040.00422.02
8.2.100.0080.00417.78
8.2.90.0070.00019.09
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0030.00617.91
8.2.50.0080.00018.07
8.2.40.0040.00419.85
8.2.30.0040.00417.98
8.2.20.0030.00519.38
8.2.10.0050.00317.86
8.2.00.0040.00417.52
8.1.270.0030.00623.96
8.1.260.0060.00326.35
8.1.250.0050.00228.09
8.1.240.0080.00023.86
8.1.230.0080.00319.11
8.1.220.0000.00717.74
8.1.210.0080.00018.77
8.1.200.0100.00017.10
8.1.190.0030.00517.23
8.1.180.0080.00018.89
8.1.170.0040.00418.34
8.1.160.0050.00221.98
8.1.150.0070.00018.49
8.1.140.0080.00017.31
8.1.130.0030.00317.75
8.1.120.0070.00017.22
8.1.110.0040.00717.31
8.1.100.0040.00417.34
8.1.90.0020.00517.30
8.1.80.0050.00317.38
8.1.70.0000.00717.31
8.1.60.0060.00617.34
8.1.50.0000.00717.24
8.1.40.0030.00517.29
8.1.30.0030.00517.53
8.1.20.0030.00517.47
8.1.10.0030.00517.33
8.1.00.0000.00717.29
8.0.300.0040.00418.77
8.0.290.0040.00416.91
8.0.280.0070.00018.35
8.0.270.0030.00316.98
8.0.260.0030.00318.31
8.0.250.0070.00016.86
8.0.240.0030.00616.83
8.0.230.0070.00016.83
8.0.220.0040.00416.80
8.0.210.0080.00016.75
8.0.200.0030.00316.77
8.0.190.0030.00316.78
8.0.180.0050.00316.78
8.0.170.0060.00316.80
8.0.160.0000.00716.70
8.0.150.0040.00416.78
8.0.140.0000.00716.67
8.0.130.0000.00513.18
8.0.120.0000.00816.64
8.0.110.0040.00416.71
8.0.100.0040.00416.69
8.0.90.0000.00816.80
8.0.80.0090.00616.71
8.0.70.0040.00416.75
8.0.60.0020.00516.72
8.0.50.0040.00416.63
8.0.30.0090.01016.99
8.0.20.0140.01117.40
8.0.10.0050.00216.71
8.0.00.0090.01116.57
7.4.330.0000.00515.00
7.4.320.0030.00316.45
7.4.300.0020.00516.30
7.4.290.0040.00416.29
7.4.280.0040.00416.36
7.4.270.0050.00316.45
7.4.260.0050.00316.39
7.4.250.0030.00316.41
7.4.240.0020.00516.37
7.4.230.0000.00716.20
7.4.220.0060.01316.39
7.4.210.0050.01016.51
7.4.200.0000.00816.57
7.4.190.0080.00016.59
7.4.160.0050.01116.13
7.4.150.0100.01317.40
7.4.140.0130.00417.86
7.4.130.0090.00816.37
7.4.120.0100.00616.48
7.4.110.0140.00316.36
7.4.100.0000.01616.31
7.4.90.0180.00316.25
7.4.80.0170.00319.39
7.4.70.0060.00916.32
7.4.60.0000.01916.26
7.4.50.0040.00416.42
7.4.40.0050.01016.27
7.4.30.0080.00816.30
7.4.00.0080.00814.98
7.3.330.0050.00013.04
7.3.320.0000.00512.96
7.3.310.0040.00416.00
7.3.300.0000.00815.96
7.3.290.0060.01516.11
7.3.280.0090.00916.12
7.3.270.0110.00617.40
7.3.260.0110.00616.25
7.3.250.0080.00816.15
7.3.240.0000.01716.16
7.3.230.0060.01216.39
7.3.210.0120.00616.28
7.3.200.0090.00919.39
7.3.190.0150.00316.23
7.3.180.0030.01216.23
7.3.170.0060.01216.27
7.3.160.0180.00316.25
7.3.120.0040.01114.28
7.3.10.0080.00616.50
7.3.00.0040.00616.50
7.2.330.0130.01016.55
7.2.320.0110.00716.57
7.2.310.0100.00716.47
7.2.300.0100.01016.21
7.2.290.0120.00616.48
7.2.130.0090.00416.55
7.2.120.0020.01216.74
7.2.110.0020.01016.67
7.2.100.0080.00616.78
7.2.90.0030.00616.63
7.2.80.0070.00616.65
7.2.70.0070.00816.81
7.2.60.0060.00616.70
7.2.50.0080.00516.63
7.2.40.0020.01016.78
7.2.30.0070.00516.72
7.2.20.0060.00716.70
7.2.10.0050.00916.69
7.2.00.0050.00816.54
7.1.250.0040.00615.59
7.1.70.0060.00616.89
7.1.60.0080.00419.46
7.1.50.0170.01016.90
7.1.00.0070.07322.24
7.0.200.0040.00416.50
7.0.140.0130.06022.10
7.0.60.0000.08719.92
7.0.50.0170.07717.90
7.0.40.0130.04020.12
7.0.30.0230.05720.21
7.0.20.0330.05020.18
7.0.10.0070.06320.09
7.0.00.0070.08320.16
5.6.280.0030.07321.04
5.6.210.0170.06720.64
5.6.200.0170.07718.09
5.6.190.0030.06720.77
5.6.180.0530.07020.68
5.6.170.0300.04720.52
5.6.160.0100.08020.48
5.6.150.0130.07018.19
5.6.140.0130.05718.21
5.6.130.0070.07018.12
5.6.120.0070.05721.11
5.6.110.0100.07721.04
5.6.100.0100.07721.07
5.6.90.0130.06320.98
5.6.80.0200.06720.50
5.5.350.0300.03320.43
5.5.340.0030.04317.93
5.5.330.0100.08020.07
5.5.320.0130.06720.21
5.5.310.0370.07320.18
5.5.300.0100.07717.96
5.5.290.0100.03318.01
5.5.280.0100.07020.76
5.5.270.0130.07720.63
5.5.260.0030.05020.71
5.5.250.0070.05320.61
5.5.240.0030.08020.25
5.4.450.0200.05719.24
5.4.440.0800.05719.63
5.4.430.0970.05719.60
5.4.420.0970.04319.48
5.4.410.0100.07019.20
5.4.400.0170.04719.30
5.4.390.0130.06019.13
5.4.380.0100.05718.72
5.4.370.0100.05718.46
5.4.360.0230.04718.65
5.4.350.0100.05718.78
5.4.340.0130.05318.74
5.4.320.0030.03912.45
5.4.310.0100.03512.45
5.4.300.0060.04212.45
5.4.290.0130.08412.45
5.4.280.0080.03912.35
5.4.270.0120.04812.34
5.4.260.0130.05212.34
5.4.250.0090.05812.35
5.4.240.0080.04212.34
5.4.230.0080.05412.34
5.4.220.0120.05212.34
5.4.210.0110.04712.34
5.4.200.0090.04912.34
5.4.190.0100.05212.33
5.4.180.0150.03712.33
5.4.170.0160.07212.35
5.4.160.0090.05312.34
5.4.150.0110.03712.34
5.4.140.0160.06312.02
5.4.130.0100.05112.01
5.4.120.0100.04711.97
5.4.110.0210.06111.96
5.4.100.0140.06411.96
5.4.90.0160.04011.96
5.4.80.0120.07811.96
5.4.70.0110.06111.96
5.4.60.0160.06811.96
5.4.50.0170.07711.96
5.4.40.0110.04311.95
5.4.30.0090.03911.95
5.4.20.0250.08611.95
5.4.10.0230.08711.95
5.4.00.0140.06411.43
5.3.290.0190.06512.80
5.3.280.0160.05812.71
5.3.270.0330.09012.72
5.3.260.0170.06412.72
5.3.250.0360.09412.72
5.3.240.0270.12312.72
5.3.230.0110.09012.71
5.3.220.0100.07012.68
5.3.210.0210.10812.68
5.3.200.0120.08012.68
5.3.190.0140.07712.68
5.3.180.0080.06912.68
5.3.170.0140.06312.67
5.3.160.0250.09212.67
5.3.150.0160.07212.68
5.3.140.0210.09012.66
5.3.130.0140.05912.66
5.3.120.0100.06012.66
5.3.110.0180.07412.66
5.3.100.0120.05712.12
5.3.90.0200.07012.08
5.3.80.0120.07312.07
5.3.70.0280.11112.07
5.3.60.0100.08412.06
5.3.50.0150.08112.00
5.3.40.0080.05012.00
5.3.30.0080.05111.94
5.3.20.0120.07111.72
5.3.10.0270.11211.69
5.3.00.0180.06211.68
5.2.170.0100.0469.17
5.2.160.0030.0399.18
5.2.150.0060.0489.17
5.2.140.0220.0789.17
5.2.130.0170.0689.13
5.2.120.0120.0389.13
5.2.110.0090.0449.14
5.2.100.0080.0339.13
5.2.90.0120.0499.13
5.2.80.0100.0539.13
5.2.70.0120.0739.13
5.2.60.0200.0639.08
5.2.50.0130.0799.05
5.2.40.0230.0709.02
5.2.30.0230.0729.00
5.2.20.0080.0489.00
5.2.10.0140.0698.92
5.2.00.0100.0588.77
5.1.60.0140.0608.05
5.1.50.0110.0598.05
5.1.40.0170.0628.04
5.1.30.0090.0558.39
5.1.20.0040.0508.41
5.1.10.0050.0328.14
5.1.00.0080.0348.13
5.0.50.0060.0286.61
5.0.40.0050.0286.47
5.0.30.0060.0446.29
5.0.20.0090.0376.26
5.0.10.0060.0286.23
5.0.00.0040.0436.23
4.4.90.0040.0254.78
4.4.80.0110.0214.75
4.4.70.0080.0444.75
4.4.60.0080.0324.76
4.4.50.0030.0244.77
4.4.40.0060.0524.71
4.4.30.0070.0364.76
4.4.20.0120.0544.85
4.4.10.0030.0254.84
4.4.00.0150.0544.75
4.3.110.0090.0344.67
4.3.100.0120.0234.66
4.3.90.0060.0244.63
4.3.80.0040.0384.58
4.3.70.0040.0314.63
4.3.60.0070.0284.62
4.3.50.0060.0344.63
4.3.40.0080.0374.54
4.3.30.0030.0163.28
4.3.20.0050.0203.25
4.3.10.0030.0233.21
4.3.00.0130.0207.32

preferences:
40.01 ms | 400 KiB | 5 Q