3v4l.org

run code in 300+ PHP versions simultaneously
<?php $checksum = crc32("b"); printf("%u\n", $checksum);

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)
8.3.60.0070.01418.15
8.3.50.0140.00016.47
8.3.40.0070.00718.71
8.3.30.0070.01018.93
8.3.20.0030.00520.39
8.3.10.0040.00423.67
8.3.00.0080.00017.35
8.2.180.0130.00618.25
8.2.170.0070.01022.96
8.2.160.0090.00520.50
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.23
8.2.110.0030.00620.47
8.2.100.0040.00817.78
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0040.00417.38
8.2.60.0000.00717.80
8.2.50.0080.00418.10
8.2.40.0040.00418.03
8.2.30.0040.00418.05
8.2.20.0060.00317.68
8.2.10.0060.00318.02
8.2.00.0040.00418.05
8.1.280.0100.01025.92
8.1.270.0130.00720.24
8.1.260.0000.00926.35
8.1.250.0040.00428.09
8.1.240.0080.00622.00
8.1.230.0030.00922.72
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0000.01017.22
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0000.00818.52
8.1.160.0040.00421.96
8.1.150.0000.00718.74
8.1.140.0030.00617.34
8.1.130.0030.00317.73
8.1.120.0040.00417.41
8.1.110.0040.00417.38
8.1.100.0070.00017.37
8.1.90.0050.00217.39
8.1.80.0080.00017.29
8.1.70.0040.00417.38
8.1.60.0030.00517.45
8.1.50.0040.00417.46
8.1.40.0000.00817.34
8.1.30.0000.00817.54
8.1.20.0040.00417.57
8.1.10.0040.00417.34
8.1.00.0040.00417.38
8.0.300.0030.00618.77
8.0.290.0060.00316.61
8.0.280.0030.00318.41
8.0.270.0000.00717.25
8.0.260.0050.00217.25
8.0.250.0020.00516.91
8.0.240.0040.00416.83
8.0.230.0000.00716.78
8.0.220.0030.00316.82
8.0.210.0000.00716.84
8.0.200.0060.00316.93
8.0.190.0030.00316.88
8.0.180.0090.00016.87
8.0.170.0040.00416.87
8.0.160.0000.00716.71
8.0.150.0070.00416.66
8.0.140.0000.00716.79
8.0.130.0070.00013.23
8.0.120.0000.00816.80
8.0.110.0000.00716.88
8.0.100.0070.00016.78
8.0.90.0000.00716.89
8.0.80.0090.01216.71
8.0.70.0040.00416.86
8.0.60.0070.00016.65
8.0.50.0040.00416.76
8.0.30.0120.01016.93
8.0.20.0130.01017.40
8.0.10.0030.00617.04
8.0.00.0150.00516.73
7.4.330.0050.00015.03
7.4.320.0030.00316.47
7.4.300.0060.00016.45
7.4.290.0030.00316.42
7.4.280.0030.00616.35
7.4.270.0030.00316.45
7.4.260.0030.00316.51
7.4.250.0000.00716.39
7.4.240.0020.00516.46
7.4.230.0030.00316.23
7.4.220.0030.01516.51
7.4.210.0070.00716.39
7.4.200.0030.00616.33
7.4.160.0120.00616.51
7.4.150.0160.00417.40
7.4.140.0120.01017.86
7.4.130.0060.01116.29
7.4.120.0130.00616.43
7.4.110.0070.01416.41
7.4.100.0070.01316.49
7.4.90.0130.00316.32
7.4.80.0140.00419.39
7.4.70.0040.01416.43
7.4.60.0100.00616.27
7.4.50.0000.00416.52
7.4.40.0100.00616.07
7.4.30.0000.01716.37
7.4.00.0000.01614.76
7.3.330.0020.00213.05
7.3.320.0030.00312.95
7.3.310.0030.00316.02
7.3.300.0000.00716.09
7.3.290.0060.01016.13
7.3.280.0090.00716.11
7.3.270.0110.00817.40
7.3.260.0060.01216.11
7.3.250.0130.00616.35
7.3.240.0000.01716.10
7.3.230.0140.00416.49
7.3.210.0100.00716.26
7.3.200.0140.00719.39
7.3.190.0130.00916.44
7.3.180.0060.01316.16
7.3.170.0000.01816.27
7.3.160.0080.00816.14
7.3.10.0150.00516.29
7.3.00.0120.00616.26
7.2.330.0110.00716.20
7.2.320.0120.00616.36
7.2.310.0030.01316.66
7.2.300.0150.00616.65
7.2.290.0080.00816.53
7.2.130.0120.00816.37
7.2.120.0100.00816.09
7.2.110.0120.00816.45
7.2.100.0130.00716.47
7.2.90.0170.00516.45
7.2.80.0160.00416.28
7.2.70.0130.00716.24
7.2.60.0180.00616.59
7.2.50.0120.00716.29
7.2.40.0090.00716.04
7.2.30.0110.00716.41
7.2.20.0080.01016.10
7.2.10.0140.00516.05
7.2.00.0090.00917.49
7.1.250.0080.00715.29
7.1.100.0090.00017.70
7.1.70.0030.00917.00
7.1.60.0060.01919.50
7.1.50.0140.01016.88
7.1.00.0070.07322.41
7.0.200.0050.00316.80
7.0.60.0000.06319.89
7.0.50.0070.04717.77
7.0.40.0030.04320.25
7.0.30.0470.07320.33
7.0.20.0200.05720.04
7.0.10.0070.05320.00
7.0.00.0100.08019.99
5.6.280.0070.07020.90
5.6.210.0130.07320.64
5.6.200.0030.09018.22
5.6.190.0030.06720.57
5.6.180.0200.05720.62
5.6.170.0230.06020.41
5.6.160.0100.03720.39
5.6.150.0030.05318.22
5.6.140.0000.04318.21
5.6.130.0100.06718.06
5.6.120.0000.04320.98
5.6.110.0070.08321.13
5.6.100.0070.09721.00
5.6.90.0100.04321.00
5.6.80.0100.07720.45
5.6.70.4630.03720.34
5.5.350.0130.03320.32
5.5.340.0030.06317.93
5.5.330.0000.05720.20
5.5.320.0100.08020.32
5.5.310.0300.08020.48
5.5.300.0030.04017.91
5.5.290.0030.08317.95
5.5.280.0030.08020.84
5.5.270.0100.08320.95
5.5.260.0000.04320.83
5.5.250.0030.05020.79
5.5.240.0330.07020.14
5.4.450.0530.05319.43
5.4.440.0470.03719.59
5.4.430.0170.04019.42
5.4.420.0030.06019.35
5.4.410.0200.05018.81
5.4.400.0230.04318.80
5.4.390.0230.06318.49
5.4.380.0170.05018.55
5.4.370.0070.07018.77
5.4.360.0070.05718.77
5.4.350.0070.07318.62
5.4.340.0130.05018.46
5.4.320.0070.06718.58
5.4.310.0030.06018.52
5.4.300.0130.07018.67
5.4.290.0100.05318.46
5.4.280.0100.05718.71
5.4.270.0200.04718.73
5.4.260.0130.05318.71
5.4.250.0070.06018.65
5.4.240.0170.05018.46
5.4.230.0130.05018.76
5.4.220.0170.05018.71
5.4.210.0130.05318.59
5.4.200.0130.06016.61
5.4.190.0070.07718.61
5.4.180.0200.04318.72
5.4.170.0070.05718.70
5.4.160.0100.05318.55
5.4.150.0130.05318.66
5.4.140.0200.04316.32
5.4.130.0130.05016.24
5.4.120.0130.04716.31
5.4.110.0170.05316.29
5.4.100.0030.05716.16
5.4.90.0100.05016.12
5.4.80.0130.04316.02
5.4.70.0170.04316.22
5.4.60.0200.04716.19
5.4.50.0130.05316.16
5.4.40.0130.05016.11
5.4.30.0170.04316.13
5.4.20.0100.05016.22
5.4.10.0030.05716.03
5.4.00.0100.05315.49
5.3.290.0130.05314.64
5.3.280.0200.06314.57
5.3.270.0230.06314.67
5.3.260.0070.06314.59
5.3.250.0300.04714.63
5.3.240.0130.06714.67
5.3.230.0170.05714.60
5.3.220.0100.05314.48
5.3.210.0100.05314.59
5.3.200.0070.05314.57
5.3.190.0200.05314.65
5.3.180.0230.05014.59
5.3.170.0170.04714.47
5.3.160.0130.05014.59
5.3.150.0000.06714.51
5.3.140.0130.05014.53
5.3.130.0170.05014.53
5.3.120.0070.05714.54
5.3.110.0100.05714.47
5.3.100.0170.04713.95
5.3.90.0070.06714.07
5.3.80.0170.05013.93
5.3.70.0030.05713.91
5.3.60.0100.06014.07
5.3.50.0100.05013.96
5.3.40.0070.05713.87
5.3.30.0130.05314.00
5.3.20.0070.05313.60
5.3.10.0170.04013.58
5.3.00.0100.05013.61
5.2.170.0100.04011.20
5.2.160.0170.03711.11
5.2.150.0070.04311.15
5.2.140.0070.04311.11
5.2.130.0200.03011.13
5.2.120.0100.03711.03
5.2.110.0170.03311.12
5.2.100.0030.04311.11
5.2.90.0070.04311.15
5.2.80.0200.05011.14
5.2.70.0070.06011.13
5.2.60.0070.05711.02
5.2.50.0000.05010.99
5.2.40.0070.04010.96
5.2.30.0100.04010.95
5.2.20.0070.04310.90
5.2.10.0030.04010.99
5.2.00.0100.03710.69
5.1.60.0070.03310.00
5.1.50.0000.0409.98
5.1.40.0070.03310.10
5.1.30.0030.04310.34
5.1.20.0030.04010.41
5.1.10.0070.03310.07
5.1.00.0100.03310.16
5.0.50.0000.0338.57
5.0.40.0070.0238.43
5.0.30.0070.0408.28
5.0.20.0000.0308.30
5.0.10.0000.0338.34
5.0.00.0000.0478.23
4.4.90.0000.0305.94
4.4.80.0000.0235.89
4.4.70.0100.0175.88
4.4.60.0070.0175.88
4.4.50.0070.0205.89
4.4.40.0000.0375.91
4.4.30.0030.0205.92
4.4.20.0070.0205.95
4.4.10.0070.0205.94
4.4.00.0000.0375.91
4.3.110.0000.0275.80
4.3.100.0070.0175.82
4.3.90.0070.0175.80
4.3.80.0070.0305.83
4.3.70.0000.0235.81
4.3.60.0000.0235.82
4.3.50.0000.0275.79
4.3.40.0100.0375.77
4.3.30.0030.0204.53
4.3.20.0000.0234.64
4.3.10.0030.0274.55
4.3.00.0030.01315.81

preferences:
94.04 ms | 400 KiB | 5 Q