3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; var_dump(hash("crc32b", $str)); var_dump(dechex(crc32($str)));

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)
8.3.60.0170.00316.75
8.3.50.0090.00922.00
8.3.40.0060.01118.79
8.3.30.0070.00718.95
8.3.20.0030.00320.33
8.3.10.0000.00821.81
8.3.00.0040.00719.05
8.2.180.0120.00918.09
8.2.170.0100.00322.96
8.2.160.0070.00720.53
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0120.00319.54
8.2.110.0100.00020.35
8.2.100.0120.00017.91
8.2.90.0040.00418.07
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0040.00418.04
8.2.50.0080.00018.07
8.2.40.0030.00518.03
8.2.30.0090.00018.05
8.2.20.0000.00817.60
8.2.10.0030.00517.98
8.2.00.0000.00717.67
8.1.280.0170.00325.92
8.1.270.0060.00318.87
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.01
8.1.230.0000.01020.90
8.1.220.0000.00817.74
8.1.210.0060.00318.86
8.1.200.0030.00617.22
8.1.190.0040.00417.35
8.1.180.0000.00718.10
8.1.170.0080.00318.42
8.1.160.0000.00721.89
8.1.150.0060.00318.76
8.1.140.0070.00017.50
8.1.130.0000.00717.87
8.1.120.0070.00017.36
8.1.110.0000.00717.30
8.1.100.0040.00417.43
8.1.90.0040.00417.44
8.1.80.0040.00417.46
8.1.70.0000.00817.51
8.1.60.0030.00617.47
8.1.50.0060.00317.52
8.1.40.0000.00817.51
8.1.30.0080.00017.52
8.1.20.0040.00417.61
8.1.10.0050.00217.42
8.1.00.0050.00317.34
8.0.300.0070.00019.92
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.19
8.0.260.0060.00017.16
8.0.250.0060.00016.90
8.0.240.0030.00316.84
8.0.230.0080.00016.79
8.0.220.0050.00216.77
8.0.210.0040.00416.91
8.0.200.0030.00316.95
8.0.190.0000.00716.93
8.0.180.0050.00216.83
8.0.170.0040.00416.95
8.0.160.0000.00816.91
8.0.150.0040.00416.92
8.0.140.0040.00416.75
8.0.130.0050.00013.40
8.0.120.0020.00516.84
8.0.110.0000.00716.71
8.0.100.0030.00516.89
8.0.90.0070.00016.76
8.0.80.0080.00916.88
8.0.70.0040.00416.86
8.0.60.0040.00416.72
8.0.50.0000.00717.00
8.0.30.0070.01617.18
8.0.20.0200.01117.40
8.0.10.0070.00016.88
8.0.00.0160.00416.70
7.4.330.0050.00015.03
7.4.320.0060.00016.49
7.4.300.0000.00716.55
7.4.290.0080.00016.51
7.4.280.0060.00316.53
7.4.270.0040.00416.48
7.4.260.0050.00216.45
7.4.250.0070.00016.45
7.4.240.0030.00316.57
7.4.230.0040.00416.50
7.4.220.0030.01616.49
7.4.210.0060.01116.64
7.4.200.0030.00316.53
7.4.160.0170.00716.55
7.4.150.0070.01717.40
7.4.140.0150.00317.86
7.4.130.0150.00716.38
7.4.120.0150.00216.45
7.4.110.0100.00716.41
7.4.100.0130.00316.52
7.4.90.0090.00816.56
7.4.80.0030.01919.39
7.4.70.0100.00516.35
7.4.60.0030.01316.56
7.4.50.0080.00016.45
7.4.40.0030.01616.56
7.4.30.0130.00616.29
7.4.00.0030.01214.92
7.3.330.0050.00012.98
7.3.320.0100.00713.13
7.3.310.0000.00616.09
7.3.300.0030.00316.13
7.3.290.0030.00316.04
7.3.280.0110.00516.14
7.3.270.0070.01017.40
7.3.260.0150.00316.36
7.3.250.0110.00616.27
7.3.240.0140.00316.56
7.3.230.0130.00816.39
7.3.210.0070.01016.25
7.3.200.0080.00919.39
7.3.190.0030.01316.48
7.3.180.0040.01216.52
7.3.170.0110.00616.66
7.3.160.0110.00616.14
7.2.330.0090.01516.54
7.2.320.0120.00916.53
7.2.310.0090.00916.46
7.2.300.0090.01216.53
7.2.290.0130.00916.36
7.2.60.0110.00416.51
7.2.00.0000.01219.25
7.1.200.0060.00915.81
7.1.100.0060.00918.07
7.1.70.0050.00216.89
7.1.60.0070.01819.46
7.1.50.0100.01016.56
7.1.00.0070.07322.57
7.0.200.0050.00516.39
7.0.140.0070.05322.12
7.0.70.4070.04319.94
7.0.60.0030.08719.93
7.0.50.0100.06017.77
7.0.40.0030.04320.04
7.0.30.0230.06320.18
7.0.20.0230.07020.04
7.0.10.0130.05720.09
7.0.00.0070.08320.20
5.6.280.0070.07020.92
5.6.210.0070.08020.46
5.6.200.0030.05318.23
5.6.190.0170.06020.60
5.6.180.0370.07320.55
5.6.170.0270.05720.70
5.6.160.0100.06720.65
5.6.150.0030.04018.12
5.6.140.0000.04318.09
5.6.130.0130.07318.11
5.6.120.0100.06020.96
5.6.110.0000.09321.02
5.6.100.0070.08321.01
5.6.90.0030.04321.09
5.6.80.0030.04020.34
5.6.70.0270.06320.51
5.5.350.0130.06320.47
5.5.340.0070.07717.95
5.5.330.0070.07020.46
5.5.320.0130.07320.36
5.5.310.0200.05320.16
5.5.300.0130.07017.85
5.5.290.0030.04018.00
5.5.280.0130.07720.86
5.5.270.0030.08320.63
5.5.260.0070.08720.72
5.5.250.0270.05720.68
5.5.240.0100.07720.23
5.4.450.0470.06019.10
5.4.440.0670.07319.29
5.4.430.1000.05019.63
5.4.420.0900.06719.47
5.4.410.1000.05719.41
5.4.400.0870.05018.51
5.4.390.0870.05018.78
5.4.380.0730.06018.68
5.4.370.0930.05318.64
5.4.360.0900.04718.48
5.4.350.0830.05018.72
5.4.340.0970.04718.57
5.4.320.1030.06018.53
5.4.310.0970.05718.62
5.4.300.0770.06318.65
5.4.290.0900.07718.56
5.4.280.1070.04318.71
5.4.270.0800.06018.67
5.4.260.0770.05018.65
5.4.250.0930.05718.65
5.4.240.0800.05018.45
5.4.230.0870.04718.58
5.4.220.0970.05018.58
5.4.210.1130.05018.70
5.4.200.0900.04716.66
5.4.190.1100.06718.66
5.4.180.1030.07318.70
5.4.170.0930.05718.74
5.4.160.0830.05018.66
5.4.150.1070.06718.68
5.4.140.0930.05316.23
5.4.130.0970.04316.22
5.4.120.1030.04316.07
5.4.110.0900.05016.18
5.4.100.0870.05316.35
5.4.90.0900.04716.18
5.4.80.0870.05316.33
5.4.70.0770.05316.03
5.4.60.0770.05316.23
5.4.50.0830.06016.09
5.4.40.0870.05316.19
5.4.30.0800.05316.11
5.4.20.0830.06016.14
5.4.10.0830.05716.00
5.4.00.0930.04715.63
5.3.290.0870.05314.57
5.3.280.0770.06014.68
5.3.270.0970.05314.70
5.3.260.0870.06014.53
5.3.250.0900.05714.51
5.3.240.0870.05014.69
5.3.230.1000.04714.68
5.3.220.1070.04714.47
5.3.210.0100.05714.51
5.3.200.0170.04314.61
5.3.190.0000.06014.59
5.3.180.0470.05714.48
5.3.170.1130.06014.45
5.3.160.1070.07014.50
5.3.150.1100.06314.63
5.3.140.0770.05014.59
5.3.130.0800.05714.65
5.3.120.0770.06314.61
5.3.110.0870.06014.45
5.3.100.1070.04314.13
5.3.90.0730.06314.00
5.3.80.1000.04313.92
5.3.70.1100.05014.04
5.3.60.0870.06013.96
5.3.50.0900.05714.02
5.3.40.1130.04713.84
5.3.30.1030.04313.88
5.3.20.0900.04013.67
5.3.10.0730.05313.73
5.3.00.0870.05713.63
5.2.170.0900.05711.12
5.2.160.0770.04011.18
5.2.150.0800.04311.20
5.2.140.0800.04311.13
5.2.130.0800.04011.16
5.2.120.0900.05311.14
5.2.110.0670.04311.08
5.2.100.0700.03311.05
5.2.90.0730.04011.08
5.2.80.0800.05011.13
5.2.70.0730.04311.09
5.2.60.0870.05311.02
5.2.50.0700.05011.05
5.2.40.0430.05011.00
5.2.30.0630.03311.02
5.2.20.0570.03711.00
5.2.10.0630.03010.83
5.2.00.0600.04310.67
5.1.60.0530.03310.04
5.1.50.0570.05010.10
5.1.40.0670.05010.04
5.1.30.0570.04310.47
5.1.20.0670.04010.38
5.1.10.0630.04010.09
5.1.00.0700.04010.08
5.0.50.0300.0338.55
5.0.40.0330.0308.50
5.0.30.0400.0538.27
5.0.20.0270.0338.22
5.0.10.0230.0338.26
5.0.00.0300.0438.33
4.4.90.0300.0175.91
4.4.80.0330.0175.91
4.4.70.0230.0235.90
4.4.60.0230.0235.90
4.4.50.0230.0235.89
4.4.40.0270.0335.87
4.4.30.0270.0205.86
4.4.20.0300.0235.98
4.4.10.0300.0276.00
4.4.00.0330.0305.94
4.3.110.0330.0175.75
4.3.100.0300.0205.74
4.3.90.0300.0235.89
4.3.80.0270.0475.76
4.3.70.0370.0175.77
4.3.60.0370.0135.80
4.3.50.0330.0175.82
4.3.40.0270.0375.75
4.3.30.0130.0274.63
4.3.20.0130.0274.51
4.3.10.0170.0274.57
4.3.00.0070.0237.31

preferences:
51.76 ms | 401 KiB | 5 Q