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)
8.3.60.0080.00816.75
8.3.50.0040.01422.06
8.3.40.0120.00318.69
8.3.30.0070.00718.73
8.3.20.0000.00720.21
8.3.10.0070.00021.86
8.3.00.0090.00019.08
8.2.180.0110.01118.21
8.2.170.0140.00022.96
8.2.160.0070.00720.44
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00019.61
8.2.110.0090.00021.00
8.2.100.0120.00017.63
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0060.00317.35
8.2.60.0050.00217.80
8.2.50.0000.00918.07
8.2.40.0000.00818.17
8.2.30.0030.00617.92
8.2.20.0050.00317.71
8.2.10.0040.00418.09
8.2.00.0080.00017.64
8.1.280.0140.00725.92
8.1.270.0090.00018.75
8.1.260.0070.00026.35
8.1.250.0060.00328.09
8.1.240.0040.00420.96
8.1.230.0060.00618.91
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.23
8.1.180.0090.00018.10
8.1.170.0100.00020.39
8.1.160.0000.00721.94
8.1.150.0050.00218.81
8.1.140.0000.00717.38
8.1.130.0060.00017.82
8.1.120.0000.00717.29
8.1.110.0030.00317.29
8.1.100.0040.00417.33
8.1.90.0040.00417.46
8.1.80.0020.00517.36
8.1.70.0000.00717.38
8.1.60.0040.00417.55
8.1.50.0000.00817.48
8.1.40.0040.00417.47
8.1.30.0000.00817.60
8.1.20.0070.00017.45
8.1.10.0000.00817.29
8.1.00.0040.00417.38
8.0.300.0050.00318.77
8.0.290.0040.00416.63
8.0.280.0030.00318.28
8.0.270.0040.00417.05
8.0.260.0030.00317.23
8.0.250.0030.00316.79
8.0.240.0030.00316.89
8.0.230.0070.00016.73
8.0.220.0000.00716.80
8.0.210.0000.00716.84
8.0.200.0000.00616.84
8.0.190.0030.00616.87
8.0.180.0000.00716.90
8.0.170.0000.00816.82
8.0.160.0000.00716.78
8.0.150.0040.00416.74
8.0.140.0000.00716.82
8.0.130.0060.00013.31
8.0.120.0040.00416.78
8.0.110.0070.00016.64
8.0.100.0050.00216.86
8.0.90.0070.00016.68
8.0.80.0070.01016.77
8.0.70.0040.00416.81
8.0.60.0000.00716.88
8.0.50.0030.00516.77
8.0.30.0120.00916.90
8.0.20.0300.01317.40
8.0.10.0020.00516.82
8.0.00.0090.01116.65
7.4.330.0000.00615.03
7.4.320.0030.00316.33
7.4.300.0000.00616.48
7.4.290.0030.00616.40
7.4.280.0040.00416.57
7.4.270.0000.00816.58
7.4.260.0100.00016.44
7.4.250.0040.00416.36
7.4.240.0040.00316.43
7.4.230.0030.00316.54
7.4.220.0070.01116.43
7.4.210.0070.00816.45
7.4.200.0070.00016.49
7.4.160.0150.00716.31
7.4.150.0100.01017.40
7.4.140.0180.00617.86
7.4.130.0060.01016.42
7.4.120.0080.00916.50
7.4.110.0120.00616.40
7.4.100.0100.01316.39
7.4.90.0120.00616.38
7.4.80.0100.01019.39
7.4.70.0070.01016.45
7.4.60.0030.01216.45
7.4.50.0060.00316.39
7.4.40.0100.00716.27
7.4.30.0070.01116.41
7.4.00.0030.01514.79
7.3.330.0030.00313.01
7.3.320.0170.00012.97
7.3.310.0000.00716.13
7.3.300.0040.00416.16
7.3.290.0060.00016.12
7.3.280.0110.00816.11
7.3.270.0090.00917.40
7.3.260.0170.00016.39
7.3.250.0120.00816.08
7.3.240.0150.00416.14
7.3.230.0110.00616.39
7.3.210.0080.00816.16
7.3.200.0140.00919.39
7.3.190.0090.00616.04
7.3.180.0120.00616.34
7.3.170.0110.00716.27
7.3.160.0120.00416.13
7.3.120.0070.01114.73
7.3.110.0040.01414.49
7.3.100.0100.00714.95
7.3.90.0030.00914.93
7.3.80.0100.00714.66
7.3.70.0080.00314.50
7.3.60.0000.01114.57
7.3.50.0100.00714.77
7.3.40.0120.00314.56
7.3.30.0000.00914.52
7.3.20.0050.00516.52
7.3.10.0030.01216.63
7.3.00.0130.00316.36
7.2.330.0070.01116.52
7.2.320.0110.01116.50
7.2.310.0160.00616.41
7.2.300.0060.01516.23
7.2.290.0150.00616.34
7.2.250.0060.01314.46
7.2.240.0070.01414.78
7.2.230.0030.01614.99
7.2.220.0040.01214.80
7.2.210.0030.01414.55
7.2.200.0090.00614.92
7.2.190.0080.00814.81
7.2.180.0060.01015.01
7.2.170.0070.01015.01
7.2.00.0030.01319.27
7.1.330.0000.01015.88
7.1.320.0040.01115.33
7.1.310.0060.01215.51
7.1.300.0090.00615.54
7.1.290.0060.01015.78
7.1.280.0110.00415.65
7.1.270.0040.00815.48
7.1.260.0030.00615.55
7.1.100.0060.00917.86
7.1.70.0000.01416.81
7.1.60.0070.01719.46
7.1.50.0110.01516.65
7.1.00.0030.07722.54
7.0.200.0070.00316.41
7.0.140.0030.06721.97
7.0.70.3330.04019.96
7.0.60.0030.06719.94
7.0.50.0070.07317.82
7.0.40.0100.04320.29
7.0.30.0270.05720.00
7.0.20.0230.06020.13
7.0.10.0300.08020.12
7.0.00.0130.05020.20
5.6.280.0100.06721.11
5.6.210.0070.08320.71
5.6.200.0070.08318.23
5.6.190.0030.04320.41
5.6.180.0270.07020.38
5.6.170.0300.06320.54
5.6.160.0100.07720.44
5.6.150.0070.05318.21
5.6.140.0070.08318.11
5.6.130.0100.08318.18
5.6.120.0100.08321.11
5.6.110.0100.08020.97
5.6.100.0130.07321.10
5.6.90.0000.04320.96
5.6.80.0070.06720.40
5.6.70.0270.07720.52
5.5.350.0130.06320.39
5.5.340.0130.06717.91
5.5.330.0100.05320.25
5.5.320.0030.04020.43
5.5.310.0300.05020.16
5.5.300.0030.08017.87
5.5.290.0130.04717.92
5.5.280.0070.04020.68
5.5.270.0100.04320.86
5.5.260.0070.06320.67
5.5.250.0100.08320.79
5.5.240.0130.05320.18
5.4.450.0130.06719.63
5.4.440.0900.06719.13
5.4.430.0730.06019.23
5.4.420.0070.05319.46
5.4.410.0930.06019.34
5.4.400.0770.06318.68
5.4.390.0770.05718.59
5.4.380.0900.05318.73
5.4.370.0830.05718.62
5.4.360.0900.05318.45
5.4.350.0830.05318.68
5.4.340.0770.05318.74
5.4.320.0930.06018.56
5.4.310.0900.04718.65
5.4.300.0830.06318.79
5.4.290.1000.06318.48
5.4.280.0930.06018.45
5.4.270.0900.05018.50
5.4.260.1000.04318.71
5.4.250.0870.06018.69
5.4.240.0870.06018.73
5.4.230.0830.05018.67
5.4.220.0800.05018.64
5.4.210.0730.06318.46
5.4.200.0830.04716.64
5.4.190.0900.05018.70
5.4.180.0830.05018.72
5.4.170.0730.05718.43
5.4.160.0830.04318.49
5.4.150.0870.04318.62
5.4.140.0800.05716.32
5.4.130.0970.04316.21
5.4.120.0830.05716.16
5.4.110.0900.05016.14
5.4.100.0970.05016.36
5.4.90.0900.05016.12
5.4.80.0970.04316.14
5.4.70.0970.05016.10
5.4.60.0870.05716.23
5.4.50.0900.05316.25
5.4.40.0800.06016.05
5.4.30.0800.05016.14
5.4.20.0770.05016.27
5.4.10.0770.04716.09
5.4.00.0730.05315.70
5.3.290.0800.06014.71
5.3.280.0870.04314.55
5.3.270.0800.05314.55
5.3.260.0700.06014.55
5.3.250.0770.05314.61
5.3.240.0800.05014.51
5.3.230.0800.05014.54
5.3.220.0770.06014.59
5.3.210.0830.06014.66
5.3.200.0930.06714.61
5.3.190.0770.06314.45
5.3.180.0570.07014.65
5.3.170.0770.05314.54
5.3.160.0800.05314.51
5.3.150.0930.06714.61
5.3.140.0770.05314.55
5.3.130.0930.05014.45
5.3.120.0770.05714.52
5.3.110.0870.04714.43
5.3.100.0830.05314.00
5.3.90.0800.05014.01
5.3.80.0800.05713.93
5.3.70.0800.06013.99
5.3.60.0930.04314.10
5.3.50.0900.04713.85
5.3.40.0800.05714.04
5.3.30.0800.05013.88
5.3.20.0700.04713.72
5.3.10.0030.05713.56
5.3.00.0230.03713.53
5.2.170.0070.05011.07
5.2.160.0300.04311.09
5.2.150.0800.03711.17
5.2.140.0730.04311.20
5.2.130.0800.03311.05
5.2.120.0730.04011.13
5.2.110.0700.04311.05
5.2.100.0730.04311.25
5.2.90.0770.04311.11
5.2.80.0830.03311.04
5.2.70.0700.04711.07
5.2.60.0870.04010.97
5.2.50.0870.04011.02
5.2.40.0570.03710.94
5.2.30.0500.04711.10
5.2.20.0630.03710.90
5.2.10.0600.03710.85
5.2.00.0730.05010.75
5.1.60.0570.03710.07
5.1.50.0570.02710.02
5.1.40.0630.0309.97
5.1.30.0730.04010.36
5.1.20.0630.04010.37
5.1.10.0600.03710.13
5.1.00.0670.05310.08
5.0.50.0370.0278.57
5.0.40.0330.0338.53
5.0.30.0300.0438.35
5.0.20.0400.0238.32
5.0.10.0330.0278.26
5.0.00.0270.0608.24
4.4.90.0370.0235.82
4.4.80.0370.0305.86
4.4.70.0300.0275.86
4.4.60.0330.0305.81
4.4.50.0300.0205.94
4.4.40.0230.0405.88
4.4.30.0270.0235.94
4.4.20.0270.0275.94
4.4.10.0330.0205.91
4.4.00.0300.0335.91
4.3.110.0370.0275.86
4.3.100.0300.0175.83
4.3.90.0300.0175.81
4.3.80.0300.0305.87
4.3.70.0300.0305.78
4.3.60.0270.0235.87
4.3.50.0400.0175.89
4.3.40.0330.0305.79
4.3.30.0200.0174.64
4.3.20.0200.0174.61
4.3.10.0130.0234.59
4.3.00.0270.0237.31

preferences:
33.02 ms | 401 KiB | 5 Q