3v4l.org

run code in 300+ PHP versions simultaneously
<?php $souce ="ASDF"; $souce .= null; var_dump($source);

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)
8.3.60.0090.01216.63
8.3.50.0120.00822.13
8.3.40.0150.00618.68
8.3.30.0140.00018.96
8.3.20.0040.00420.26
8.3.10.0170.00321.73
8.3.00.0090.00619.02
8.2.180.0160.00616.38
8.2.170.0140.00022.96
8.2.160.0070.00720.47
8.2.150.0060.00324.18
8.2.140.0050.00224.66
8.2.130.0110.00426.16
8.2.120.0080.00019.77
8.2.110.0060.00320.53
8.2.100.0100.00018.16
8.2.90.0040.00419.13
8.2.80.0000.00917.97
8.2.70.0060.00317.50
8.2.60.0080.00017.80
8.2.50.0030.00618.07
8.2.40.0060.00318.28
8.2.30.0000.00719.48
8.2.20.0070.00017.64
8.2.10.0040.00417.92
8.2.00.0040.00417.73
8.1.280.0170.00325.92
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0070.00728.09
8.1.240.0060.00322.25
8.1.230.0030.00919.14
8.1.220.0070.00017.74
8.1.210.0060.00318.77
8.1.200.0060.00317.23
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0050.00221.84
8.1.150.0070.00018.81
8.1.140.0040.00417.34
8.1.130.0000.00717.77
8.1.120.0030.00317.29
8.1.110.0000.00717.44
8.1.100.0070.00017.36
8.1.90.0040.00417.41
8.1.80.0030.00317.27
8.1.70.0030.00317.34
8.1.60.0080.00017.47
8.1.50.0080.00017.43
8.1.40.0040.00417.45
8.1.30.0040.00417.55
8.1.20.0050.00217.56
8.1.10.0080.00017.38
8.1.00.0040.00417.38
8.0.300.0080.00018.77
8.0.290.0070.00016.75
8.0.280.0030.00318.28
8.0.270.0000.00717.10
8.0.260.0030.00317.10
8.0.250.0030.00316.99
8.0.240.0000.00616.90
8.0.230.0030.00316.96
8.0.220.0030.00316.84
8.0.210.0000.00716.79
8.0.200.0000.00716.86
8.0.190.0040.00416.84
8.0.180.0040.00416.88
8.0.170.0040.00416.83
8.0.160.0030.00316.84
8.0.150.0000.00816.83
8.0.140.0000.00716.83
8.0.130.0060.00013.28
8.0.120.0000.00716.83
8.0.110.0050.00216.91
8.0.100.0040.00416.92
8.0.90.0000.00716.75
8.0.80.0090.00616.91
8.0.70.0000.00816.87
8.0.60.0000.00816.93
8.0.50.0000.00716.99
8.0.30.0120.01217.05
8.0.20.0090.00917.40
8.0.10.0050.00216.79
8.0.00.0060.01216.77
7.4.330.0020.00215.03
7.4.320.0030.00316.32
7.4.300.0060.00016.46
7.4.290.0030.00616.48
7.4.280.0000.00716.34
7.4.270.0000.00616.50
7.4.260.0020.00516.38
7.4.250.0000.00716.48
7.4.240.0020.00516.44
7.4.230.0030.00316.31
7.4.220.0030.01316.55
7.4.210.0090.00616.58
7.4.200.0070.00016.41
7.4.160.0120.00416.29
7.4.150.0070.01017.40
7.4.140.0140.00717.86
7.4.130.0140.00516.43
7.4.120.0060.01116.33
7.4.110.0090.00916.68
7.4.100.0130.01016.40
7.4.90.0100.00716.47
7.4.80.0210.00319.39
7.4.70.0090.01216.14
7.4.60.0120.00316.46
7.4.50.0080.00016.38
7.4.40.0150.00016.55
7.4.30.0130.00716.45
7.4.00.0070.01014.80
7.3.330.0020.00213.09
7.3.320.0050.00013.13
7.3.310.0000.00716.14
7.3.300.0030.00316.17
7.3.290.0070.00016.20
7.3.280.0090.00916.12
7.3.270.0070.01017.40
7.3.260.0100.00716.41
7.3.250.0110.00616.14
7.3.240.0120.01216.18
7.3.230.0100.00616.39
7.3.210.0100.00716.29
7.3.200.0050.01119.39
7.3.190.0000.01516.20
7.3.180.0120.00316.51
7.3.170.0140.00716.29
7.3.160.0060.00916.46
7.2.330.0060.01416.52
7.2.320.0100.00716.54
7.2.310.0030.01316.42
7.2.300.0140.00716.46
7.2.290.0080.01116.35
7.2.00.0100.00619.27
7.1.100.0030.00618.05
7.1.70.0000.00716.96
7.1.60.0090.01219.46
7.1.50.0090.00916.99
7.1.00.0070.07322.51
7.0.200.0660.00914.32
7.0.140.0030.06721.97
7.0.60.0030.07720.01
7.0.50.0170.07017.88
7.0.40.0070.08720.30
7.0.30.0230.07020.09
7.0.20.0300.07320.20
7.0.10.0030.09020.13
7.0.00.0130.06720.11
5.6.280.0070.06721.14
5.6.210.0100.08320.60
5.6.200.0070.05718.18
5.6.190.0230.07020.77
5.6.180.0370.04020.62
5.6.170.0270.03720.53
5.6.160.0130.08020.53
5.6.150.0030.05018.22
5.6.140.0070.04718.15
5.6.130.0070.04018.17
5.6.120.0170.07020.96
5.6.110.0130.07720.93
5.6.100.0070.08321.10
5.6.90.0130.03320.98
5.6.80.0070.08020.57
5.5.350.0270.06320.32
5.5.340.0100.08317.95
5.5.330.0070.04320.55
5.5.320.0000.06320.24
5.5.310.0270.05720.41
5.5.300.0070.03317.89
5.5.290.0000.09017.87
5.5.280.0100.08020.96
5.5.270.0030.05020.82
5.5.260.0070.06320.86
5.5.250.0030.08320.43
5.5.240.0030.05020.06
5.4.450.0170.06319.63
5.4.440.0130.05719.50
5.4.430.0100.05719.51
5.4.420.0100.06019.63
5.4.410.0130.05319.36
5.4.400.0170.05719.00
5.4.390.0770.06018.59
5.4.380.0570.06318.45
5.4.370.0800.05018.70
5.4.360.0900.06318.74
5.4.350.1070.05018.68
5.4.340.1100.06718.70
5.4.320.0870.07318.48
5.4.310.1130.05718.68
5.4.300.0770.05018.50
5.4.290.0730.08018.54
5.4.280.1130.06018.64
5.4.270.1000.06318.73
5.4.260.1170.07018.71
5.4.250.0870.07318.64
5.4.240.0730.06718.68
5.4.230.0870.05018.77
5.4.220.0930.07718.76
5.4.210.0900.05718.71
5.4.200.0770.06716.55
5.4.190.0800.05018.70
5.4.180.0800.05718.70
5.4.170.0900.05318.57
5.4.160.1000.06018.46
5.4.150.0700.06018.70
5.4.140.0730.05716.18
5.4.130.0730.04316.07
5.4.120.1070.06716.07
5.4.110.1100.06316.20
5.4.100.1030.07016.20
5.4.90.0700.08316.29
5.4.80.0630.05716.33
5.4.70.0870.06316.09
5.4.60.0970.05016.27
5.4.50.1100.05716.28
5.4.40.1130.07016.01
5.4.30.1030.05316.18
5.4.20.1000.06716.17
5.4.10.0930.06016.26
5.4.00.0800.05715.74
5.3.290.0770.06714.65
5.3.280.0600.07314.54
5.3.270.0900.07314.53
5.3.260.0900.08714.59
5.3.250.0900.07014.59
5.3.240.1000.06314.57
5.3.230.0770.07314.66
5.3.220.0870.07014.50
5.3.210.0930.06314.64
5.3.200.1230.06714.53
5.3.190.0930.07014.49
5.3.180.0900.06714.63
5.3.170.0800.08014.44
5.3.160.1170.06014.65
5.3.150.1000.07014.52
5.3.140.0670.05314.63
5.3.130.1030.06014.47
5.3.120.1100.07014.51
5.3.110.1000.05714.63
5.3.100.0730.05314.12
5.3.90.1170.07313.93
5.3.80.0970.05714.00
5.3.70.0730.04714.00
5.3.60.1000.06013.95
5.3.50.1100.04713.91
5.3.40.0670.06014.04
5.3.30.0900.06313.81
5.3.20.1070.06713.61
5.3.10.0700.05313.64
5.3.00.0900.06713.73
5.2.170.0600.04711.12
5.2.160.0900.04011.17
5.2.150.0530.06711.29
5.2.140.0630.05011.11
5.2.130.0600.05311.15
5.2.120.0770.04311.07
5.2.110.0600.04011.23
5.2.100.0570.04311.13
5.2.90.0800.05011.03
5.2.80.0530.05011.13
5.2.70.0670.05011.23
5.2.60.0470.04711.03
5.2.50.0600.05310.98
5.2.40.0530.05310.96
5.2.30.0470.06311.00
5.2.20.0630.06010.93
5.2.10.0500.04310.91
5.2.00.0500.05310.75
5.1.60.0430.0439.98
5.1.50.0530.05710.12
5.1.40.0500.0479.98
5.1.30.0700.04710.30
5.1.20.0470.05010.40
5.1.10.0600.03710.08
5.1.00.0570.05010.10
5.0.50.0270.0338.58
5.0.40.0400.0238.46
5.0.30.0370.0478.23
5.0.20.0400.0308.39
5.0.10.0300.0408.19
5.0.00.0300.0538.13
4.4.90.0530.0235.86
4.4.80.0400.0305.90
4.4.70.0470.0175.88
4.4.60.0400.0205.86
4.4.50.0270.0235.87
4.4.40.0230.0505.89
4.4.30.0170.0335.90
4.4.20.0200.0375.87
4.4.10.0330.0275.93
4.4.00.0330.0335.85
4.3.110.0230.0275.86
4.3.100.0370.0175.78
4.3.90.0200.0305.77
4.3.80.0330.0305.77
4.3.70.0330.0235.79
4.3.60.0330.0235.78
4.3.50.0370.0135.77
4.3.40.0330.0375.75
4.3.30.0170.0235.03
4.3.20.0100.0275.03
4.3.10.0230.0235.03
4.3.00.0030.0309.22

preferences:
48.18 ms | 401 KiB | 5 Q