3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str="Wello!"; $h1=dechex(crc32($str)); $h2=hash("crc32b",$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)
8.4.140.0150.00617.58
8.4.130.0110.00917.85
8.4.120.0100.00922.52
8.4.110.0090.01122.69
8.4.100.0150.00617.71
8.4.90.0110.00822.44
8.4.80.0140.00617.89
8.4.70.0110.00617.86
8.4.60.0130.00818.61
8.4.50.0120.00718.54
8.4.40.0170.00320.34
8.4.30.0130.00320.63
8.4.20.0030.00717.80
8.4.10.0090.00019.30
8.3.270.0120.00716.52
8.3.260.0140.00516.53
8.3.250.0170.00218.81
8.3.240.0110.00616.77
8.3.230.0120.00716.43
8.3.220.0100.00517.25
8.3.210.0110.00718.21
8.3.200.0060.00316.41
8.3.190.0080.00117.07
8.3.180.0140.00718.26
8.3.170.0120.00620.72
8.3.160.0150.00416.98
8.3.150.0150.00317.07
8.3.140.0100.00616.47
8.3.130.0030.00616.48
8.3.120.0000.00918.90
8.3.110.0040.00420.94
8.3.100.0060.00318.23
8.3.90.0040.00418.32
8.3.80.0030.00619.36
8.3.70.0130.00316.38
8.3.60.0070.01018.05
8.3.50.0070.01023.60
8.3.40.0120.00318.73
8.3.30.0090.01518.71
8.3.20.0080.00020.69
8.3.10.0050.00322.09
8.3.00.0040.00423.48
8.2.290.0110.00720.05
8.2.280.0130.00718.14
8.2.270.0080.00018.75
8.2.260.0040.00416.40
8.2.250.0080.00018.45
8.2.240.0080.00016.96
8.2.230.0000.01922.58
8.2.220.0080.00024.06
8.2.210.0070.00026.77
8.2.200.0050.00516.50
8.2.190.0110.00416.58
8.2.180.0090.00918.29
8.2.170.0110.00718.79
8.2.160.0150.00022.96
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00826.16
8.2.110.0000.01022.07
8.2.100.0000.01117.59
8.2.90.0030.00617.75
8.2.80.0000.00818.73
8.2.70.0040.00417.63
8.2.60.0060.00317.49
8.2.50.0000.00817.98
8.2.40.0080.00018.22
8.2.30.0070.00017.90
8.2.20.0000.00817.91
8.2.10.0020.00519.21
8.2.00.0030.00319.15
8.1.330.0110.00923.53
8.1.320.0090.01115.91
8.1.310.0080.00018.33
8.1.300.0070.00718.36
8.1.290.0040.00418.88
8.1.280.0100.00725.92
8.1.270.0040.00422.61
8.1.260.0090.00926.35
8.1.250.0080.00028.09
8.1.240.0060.00323.85
8.1.230.0070.00419.00
8.1.220.0050.00217.74
8.1.210.0050.00518.77
8.1.200.0080.00017.23
8.1.190.0040.00417.23
8.1.180.0050.00318.10
8.1.170.0000.00817.62
8.1.160.0070.00418.87
8.1.150.0040.00418.93
8.1.140.0030.00520.67
8.1.130.0040.00420.02
8.1.120.0080.00017.39
8.1.110.0100.00017.32
8.1.100.0000.00717.41
8.1.90.0030.00517.41
8.1.80.0040.00417.49
8.1.70.0030.00317.33
8.1.60.0050.00317.59
8.1.50.0030.00517.48
8.1.40.0030.00617.57
8.1.30.0040.00417.55
8.1.20.0000.00817.54
8.1.10.0030.00617.47
8.1.00.0040.00417.39
8.0.300.0060.00318.77
8.0.290.0000.00816.63
8.0.280.0030.00518.26
8.0.270.0050.00318.00
8.0.260.0000.00620.02
8.0.250.0000.00716.92
8.0.240.0000.00916.85
8.0.230.0000.00816.86
8.0.220.0040.00416.84
8.0.210.0050.00216.78
8.0.200.0030.00316.98
8.0.190.0070.00016.95
8.0.180.0000.00816.80
8.0.170.0000.00816.93
8.0.160.0040.00416.82
8.0.150.0030.00616.71
8.0.140.0040.00416.86
8.0.130.0000.00513.30
8.0.120.0000.00816.88
8.0.110.0070.00016.86
8.0.100.0040.00416.77
8.0.90.0040.00416.75
8.0.80.0040.01116.86
8.0.70.0000.00716.89
8.0.60.0060.00316.75
8.0.50.0040.00416.77
8.0.30.0130.00316.91
8.0.20.0140.00317.00
8.0.10.0050.00317.00
8.0.00.0120.01216.73
7.4.330.0050.00016.82
7.4.320.0030.00316.65
7.4.300.0030.00316.61
7.4.290.0050.00316.70
7.4.280.0050.00216.52
7.4.270.0030.00316.65
7.4.260.0030.00313.34
7.4.250.0030.00316.49
7.4.240.0060.00216.54
7.4.230.0040.00416.68
7.4.220.0000.00716.71
7.4.210.0080.00916.66
7.4.200.0000.00716.54
7.4.130.0130.00416.66
7.4.120.0160.00916.61
7.4.110.0070.01016.63
7.4.100.0080.00916.63
7.4.90.0040.01416.64
7.4.80.0070.01019.39
7.4.70.0070.01016.65
7.4.60.0120.00716.57
7.4.50.0110.00816.45
7.4.40.0080.01016.43
7.4.30.0040.01316.31
7.4.20.0100.00616.39
7.4.10.0100.00815.47
7.4.00.0070.01015.46
7.3.330.0000.00616.10
7.3.320.0020.00213.05
7.3.310.0050.00216.06
7.3.300.0030.00316.09
7.3.290.0060.01316.19
7.3.280.0070.00715.91
7.3.260.0180.00616.43
7.3.240.0080.00916.51
7.3.230.0200.00316.18
7.3.210.0110.00816.23
7.3.200.0120.00316.14
7.3.190.0060.01216.52
7.3.180.0050.01116.27
7.3.170.0050.01216.30
7.3.160.0080.01216.29
7.3.150.0080.01016.30
7.3.140.0070.01316.44
7.3.130.0100.00715.37
7.3.120.0090.00815.35
7.3.110.0080.00915.38
7.3.100.0080.00915.30
7.3.90.0070.01015.31
7.3.80.0090.00915.37
7.3.70.0080.00915.28
7.3.60.0110.00615.28
7.3.50.0110.00615.25
7.3.40.0090.00815.25
7.3.30.0060.01215.32
7.3.20.0130.00715.26
7.3.10.0110.00815.20
7.3.00.0090.01015.20
7.2.330.0050.01416.60
7.2.320.0030.02116.68
7.2.310.0090.00916.57
7.2.300.0120.00816.52
7.2.290.0100.00816.36
7.2.280.0090.00816.44
7.2.270.0100.00716.46
7.2.260.0100.00715.50
7.2.250.0070.01015.47
7.2.240.0090.00815.49
7.2.230.0090.00915.48
7.2.220.0070.01015.59
7.2.210.0090.00915.57
7.2.200.0090.00915.57
7.2.190.0080.00915.53
7.2.180.0050.01315.45
7.2.170.0100.00715.32
7.2.160.0100.00815.51
7.2.150.0170.01115.54
7.2.140.0110.00815.54
7.2.130.0100.00815.55
7.2.120.0130.00615.60
7.2.110.0080.01315.54
7.2.100.0090.01115.52
7.2.90.0200.00915.49
7.2.80.0140.00915.56
7.2.70.0120.00815.51
7.2.60.0080.01115.53
7.2.50.0120.01115.53
7.2.40.0090.00915.56
7.2.30.0120.00815.53
7.2.20.0080.01115.58
7.2.10.0070.01115.48
7.2.00.0360.00815.55

preferences:
34.38 ms | 403 KiB | 5 Q