3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="Wello!"; $h1=dechex(crc32($str)); $h2=hash("crc32",$str); var_dump($h1===$h2,$h1,$h2);

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)
8.4.120.0120.00820.82
8.4.110.0140.00722.38
8.4.100.0110.01017.57
8.4.90.0130.00718.73
8.4.80.0100.00817.96
8.4.70.0090.01317.86
8.4.60.0060.00618.64
8.4.50.0130.00518.58
8.4.40.0100.01020.31
8.4.30.0030.00520.41
8.4.20.0090.00917.98
8.4.10.0080.00019.32
8.3.250.0100.00718.70
8.3.240.0110.00817.36
8.3.230.0110.00516.44
8.3.220.0050.00517.22
8.3.210.0110.00616.47
8.3.200.0030.00616.36
8.3.190.0040.00417.10
8.3.180.0130.00618.36
8.3.170.0070.01120.77
8.3.160.0120.00617.05
8.3.150.0080.00016.65
8.3.140.0070.01017.02
8.3.130.0060.00318.53
8.3.120.0030.00718.74
8.3.110.0080.00016.64
8.3.100.0140.00318.20
8.3.90.0060.00326.77
8.3.80.0030.00619.36
8.3.70.0180.00416.75
8.3.60.0120.00318.43
8.3.50.0070.01023.70
8.3.40.0150.00318.85
8.3.30.0150.00018.67
8.3.20.0000.00820.66
8.3.10.0040.00422.05
8.3.00.0070.00023.52
8.2.290.0100.00720.24
8.2.280.0100.00820.22
8.2.270.0090.00917.26
8.2.260.0040.00418.18
8.2.250.0070.01318.91
8.2.240.0040.00418.34
8.2.230.0060.00320.94
8.2.220.0100.00724.06
8.2.210.0120.00626.77
8.2.200.0090.00018.88
8.2.190.0160.00016.58
8.2.180.0180.00416.63
8.2.170.0140.00022.96
8.2.160.0070.00722.26
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.01126.16
8.2.110.0030.00622.20
8.2.100.0110.00019.77
8.2.90.0040.00419.22
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0080.00017.93
8.2.50.0040.00418.07
8.2.40.0080.00019.89
8.2.30.0040.00417.90
8.2.20.0040.00417.89
8.2.10.0040.00419.12
8.2.00.0050.00319.25
8.1.330.0120.00621.89
8.1.320.0130.00716.05
8.1.310.0100.00718.18
8.1.300.0040.00419.68
8.1.290.0060.00330.84
8.1.280.0110.00325.92
8.1.270.0020.00522.52
8.1.260.0030.00626.35
8.1.250.0070.00028.09
8.1.240.0000.01123.79
8.1.230.0070.00419.16
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0080.00017.22
8.1.190.0030.00617.25
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0050.00218.92
8.1.150.0000.00820.80
8.1.140.0000.00720.72
8.1.130.0040.00417.46
8.1.120.0000.00817.46
8.1.110.0000.00817.48
8.1.100.0040.00417.51
8.1.90.0000.00717.43
8.1.80.0040.00417.49
8.1.70.0000.00717.48
8.1.60.0070.00017.56
8.1.50.0000.00717.41
8.1.40.0030.00617.51
8.1.30.0080.00017.52
8.1.20.0080.00017.64
8.1.10.0150.00417.51
8.1.00.0140.00417.48
8.0.300.0070.00018.77
8.0.290.0000.00817.05
8.0.280.0070.00018.38
8.0.270.0000.00718.00
8.0.260.0000.00716.82
8.0.250.0000.00716.95
8.0.240.0040.00416.84
8.0.230.0000.00816.96
8.0.220.0030.00316.88
8.0.210.0070.00016.78
8.0.200.0030.00316.94
8.0.190.0070.00016.82
8.0.180.0040.00416.90
8.0.170.0050.00316.86
8.0.160.0020.00516.90
8.0.150.0040.00416.88
8.0.140.0120.00316.82
8.0.130.0090.00615.56
8.0.120.0110.00316.87
8.0.110.0080.00616.81
8.0.100.0130.00316.77
8.0.90.0120.00516.84
8.0.80.0090.00916.86
8.0.70.0100.00516.77
8.0.60.0130.00216.87
8.0.50.0100.00516.81
8.0.30.0150.00516.99
8.0.20.0100.00917.06
8.0.10.0100.00616.92
8.0.00.0050.00916.85
7.4.330.0020.00216.79
7.4.320.0000.00616.66
7.4.300.0030.00316.46
7.4.290.0000.00716.56
7.4.280.0040.00416.66
7.4.270.0040.00516.62
7.4.260.0070.00315.54
7.4.250.0140.00216.54
7.4.240.0090.00516.51
7.4.230.0120.00516.63
7.4.220.0100.00416.50
7.4.210.0090.00816.56
7.4.200.0120.00316.56
7.4.190.0150.00516.52
7.4.180.0140.00516.63
7.4.160.0150.00416.49
7.4.150.0110.00716.47
7.4.140.0160.00316.53
7.4.130.0110.00816.52
7.4.120.0100.00716.36
7.4.110.0110.00716.42
7.4.100.0090.00716.52
7.4.90.0100.00416.50
7.4.80.0070.00817.44
7.4.70.0090.00616.41
7.4.60.0090.00816.31
7.4.50.0100.00816.37
7.4.40.0110.00816.38
7.4.30.0100.00816.40
7.4.20.0130.00716.48
7.4.10.0100.00815.60
7.4.00.0100.00615.69
7.3.330.0080.00316.11
7.3.320.0090.00415.13
7.3.310.0110.00316.16
7.3.300.0080.00516.15
7.3.290.0120.00416.16
7.3.280.0090.00516.12
7.3.270.0050.00715.90
7.3.260.0100.00616.20
7.3.250.0110.00816.04
7.3.240.0140.00516.22
7.3.230.0090.00716.11
7.3.220.0110.00616.16
7.3.210.0100.00416.15
7.3.200.0090.00516.35
7.3.190.0100.00416.31
7.3.180.0110.00616.19
7.3.170.0120.00716.31
7.3.160.0120.00816.33
7.3.150.0110.00916.24
7.3.140.0120.00716.25
7.3.130.0130.00615.45
7.3.120.0100.00915.51
7.3.110.0110.00715.48
7.3.100.0110.00715.45
7.3.90.0120.00815.52
7.3.80.0120.00715.48
7.3.70.0100.00915.49
7.3.60.0120.00715.47
7.3.50.0110.00815.52
7.3.40.0130.00615.48
7.3.30.0120.00715.47
7.3.20.0110.00915.70
7.3.10.0110.00815.69
7.3.00.0130.00915.66
7.2.340.0130.00516.38
7.2.330.0130.00616.38
7.2.320.0100.00816.25
7.2.310.0110.00816.43
7.2.300.0130.00616.42
7.2.290.0140.00716.46
7.2.280.0110.00916.43
7.2.270.0110.00916.47
7.2.260.0110.00815.64
7.2.250.0120.00815.67
7.2.240.0110.00815.64
7.2.230.0110.00915.65
7.2.220.0130.00815.73
7.2.210.0110.00915.63
7.2.200.0110.00915.61
7.2.190.0110.00815.63
7.2.180.0110.00815.63
7.2.170.0110.00915.64
7.2.160.0120.00715.61
7.2.150.0120.00815.91
7.2.140.0110.00915.89
7.2.130.0120.00915.92
7.2.120.0120.00815.90
7.2.110.0130.00815.87
7.2.100.0120.00915.94
7.2.90.0120.00915.87
7.2.80.0150.00715.90
7.2.70.0130.00915.84
7.2.60.0120.00815.94
7.2.50.0120.00815.87
7.2.40.0120.00815.94
7.2.30.0120.00815.94
7.2.20.0120.00915.88
7.2.10.0130.01015.94
7.2.00.0170.00815.91

preferences:
29.05 ms | 403 KiB | 5 Q