3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str='http://2ch.hk/s/src/1372959824103.png'; $crc=crc32($str); $crc=-1492427365; echo $crc." "; $crc=$crc & 0xffffffff; echo $crc;

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)
8.3.70.0210.00016.58
8.3.60.0090.00918.14
8.3.50.0110.00721.20
8.3.40.0090.00618.77
8.3.30.0090.00621.96
8.3.20.0000.00720.04
8.3.10.0050.00320.95
8.3.00.0000.00822.27
8.2.180.0220.00616.75
8.2.170.0100.01022.96
8.2.160.0070.00722.26
8.2.150.0050.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00820.72
8.2.110.0090.00019.24
8.2.100.0130.00017.74
8.2.90.0070.00019.12
8.2.80.0080.00018.04
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0000.00818.15
8.2.30.0070.00319.49
8.2.20.0000.00817.65
8.2.10.0030.00617.61
8.2.00.0000.00717.56
8.1.280.0100.00725.92
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00923.95
8.1.230.0070.00420.89
8.1.220.0040.00418.77
8.1.210.0060.00319.09
8.1.200.0040.00417.23
8.1.190.0040.00417.53
8.1.180.0050.00318.10
8.1.170.0040.00418.52
8.1.160.0050.00318.73
8.1.150.0040.00418.53
8.1.140.0050.00217.35
8.1.130.0030.00317.86
8.1.120.0040.00417.23
8.1.110.0040.00317.29
8.1.100.0050.00317.29
8.1.90.0000.00817.31
8.1.80.0000.00717.42
8.1.70.0000.00717.28
8.1.60.0030.00617.41
8.1.50.0030.00517.37
8.1.40.0070.00017.34
8.1.30.0000.00717.57
8.1.20.0040.00417.56
8.1.10.0000.00717.51
8.1.00.0040.00417.40
8.0.300.0040.00419.89
8.0.290.0050.00217.16
8.0.280.0000.00718.43
8.0.270.0040.00417.18
8.0.260.0070.00016.86
8.0.250.0030.00316.79
8.0.240.0060.00316.97
8.0.230.0070.00016.93
8.0.220.0030.00316.90
8.0.210.0070.00016.88
8.0.200.0040.00416.82
8.0.190.0040.00416.94
8.0.180.0000.00816.92
8.0.170.0070.00016.88
8.0.160.0070.00016.82
8.0.150.0070.00016.79
8.0.140.0070.00016.74
8.0.130.0000.00613.32
8.0.120.0040.00416.73
8.0.110.0040.00416.71
8.0.100.0000.00716.94
8.0.90.0040.00416.92
8.0.80.0140.00316.87
8.0.70.0040.00416.75
8.0.60.0000.00716.88
8.0.50.0000.00716.80
8.0.30.0050.01317.08
8.0.20.0120.00617.40
8.0.10.0030.00517.05
8.0.00.0090.00716.71
7.4.330.0000.00516.80
7.4.320.0000.00616.36
7.4.300.0000.00716.34
7.4.290.0070.00016.58
7.4.280.0000.00716.44
7.4.270.0000.00716.41
7.4.260.0000.00613.25
7.4.250.0050.00216.39
7.4.240.0000.00816.52
7.4.230.0030.00316.33
7.4.220.0090.00616.47
7.4.210.0060.00816.59
7.4.200.0000.00716.55
7.4.190.0000.00716.49
7.4.160.0060.00916.40
7.4.150.0030.01417.40
7.4.140.0100.00717.86
7.4.130.0100.00616.34
7.4.120.0110.00716.35
7.4.110.0070.01016.31
7.4.100.0120.00816.55
7.4.90.0140.00416.50
7.4.80.0080.00819.39
7.4.70.0100.00616.40
7.4.60.0100.00916.48
7.4.50.0040.00416.55
7.4.40.0060.00922.77
7.4.30.0080.01116.39
7.4.00.0040.01114.57
7.3.330.0000.00513.11
7.3.320.0030.00313.13
7.3.310.0040.00416.26
7.3.300.0000.00716.21
7.3.290.0130.00016.16
7.3.280.0070.00916.19
7.3.270.0150.00417.40
7.3.260.0060.01218.24
7.3.250.0100.01216.29
7.3.240.0070.01016.20
7.3.230.0080.00816.57
7.3.210.0070.01016.50
7.3.200.0090.01319.39
7.3.190.0100.01316.25
7.3.180.0090.00916.30
7.3.170.0060.01216.40
7.3.160.0060.00916.30
7.3.120.0160.00014.81
7.2.330.0130.00616.69
7.2.320.0160.00616.48
7.2.310.0100.01016.68
7.2.300.0180.00316.70
7.2.290.0100.00816.52
7.2.60.0090.00616.73
7.2.00.0030.00919.17
7.1.200.0000.01015.64
7.1.100.0260.00817.52
7.1.70.0100.00717.13
7.1.60.0040.02119.17
7.1.50.0080.01516.98
7.1.00.0000.04022.33
7.0.200.0000.00716.68
7.0.140.0030.07322.02
7.0.70.0200.07719.88
7.0.60.0130.04019.97
7.0.50.0130.07020.34
7.0.40.0030.06720.09
7.0.30.0100.08720.11
7.0.20.0070.09719.91
7.0.10.0030.08320.02
7.0.00.0030.06019.95
5.6.280.0030.07021.14
5.6.220.0100.08020.57
5.6.210.0170.06320.73
5.6.200.0070.09020.95
5.6.190.0030.09321.08
5.6.180.0170.08021.04
5.6.170.0070.07020.95
5.6.160.0070.07720.93
5.6.150.0030.08721.00
5.6.140.0100.09021.10
5.6.130.0130.08021.12
5.6.120.0030.04720.94
5.6.110.0170.07720.94
5.6.100.0070.08721.04
5.6.90.0070.08320.93
5.6.80.0000.05720.46
5.6.70.0130.07320.41
5.6.60.0030.07020.50
5.6.50.0070.08020.49
5.6.40.0070.05320.36
5.6.30.0030.04720.29
5.6.20.0070.08020.40
5.6.10.0130.08020.46
5.6.00.0170.07320.35
5.5.360.0130.04320.34
5.5.350.0030.06320.41
5.5.340.0070.09020.83
5.5.330.0030.05720.75
5.5.320.0070.06020.87
5.5.310.0130.07320.86
5.5.300.0030.06320.82
5.5.290.0200.07320.85
5.5.280.0130.08320.90
5.5.270.0130.08020.79
5.5.260.0030.08320.81
5.5.250.0100.07720.44
5.5.240.0070.08020.21
5.5.230.0100.07320.13
5.5.220.0100.07720.27
5.5.210.0130.07720.16
5.5.200.0070.08020.27
5.5.190.0130.07320.09
5.5.180.0070.07720.23
5.5.160.0170.07320.17
5.5.150.0030.07720.21
5.5.140.0070.05720.20
5.5.130.0030.08320.07
5.5.120.0100.07320.20
5.5.110.0070.05020.16
5.5.100.0000.08320.05
5.5.90.0170.05020.00
5.5.80.0170.07020.06
5.5.70.0030.04720.05
5.5.60.0130.07719.91
5.5.50.0000.08719.99
5.5.40.0070.07320.10
5.5.30.0100.08020.13
5.5.20.0030.05320.13
5.5.10.0070.08320.02
5.5.00.0000.07020.07
5.4.450.0130.07319.31
5.4.440.0100.04719.42
5.4.430.0070.08019.30
5.4.420.0100.08019.38
5.4.410.0100.07019.01
5.4.400.0070.07319.05
5.4.390.0070.04719.11
5.4.380.0130.07018.90
5.4.370.0030.06319.07
5.4.360.0070.06318.96
5.4.350.0200.06319.07
5.4.340.0170.07019.03
5.4.320.0070.08019.04
5.4.310.0070.08019.03
5.4.300.0070.07719.03
5.4.290.0070.08319.04
5.4.280.0170.06019.11
5.4.270.0170.07319.12
5.4.260.0030.08319.07
5.4.250.0000.05719.02
5.4.240.0070.03718.94
5.4.230.0130.07018.96
5.4.220.0100.03319.12
5.4.210.0070.03719.12
5.4.200.0130.07319.11
5.4.190.0100.06019.06
5.4.180.0000.08318.97
5.4.170.0170.06719.10
5.4.160.0130.07319.13
5.4.150.0130.07719.01
5.4.140.0100.07016.16
5.4.130.0070.07716.32
5.4.120.0030.07316.36
5.4.110.0030.07016.37
5.4.100.0030.04316.42
5.4.90.0100.07316.34
5.4.80.0100.07016.20
5.4.70.0200.06316.20
5.4.60.0170.05716.42
5.4.50.0130.04316.23
5.4.40.0100.03316.30
5.4.30.0000.05016.23
5.4.20.0030.03716.27
5.4.10.0100.03716.30
5.4.00.0070.03715.71
5.3.290.0030.08714.65
5.3.280.0070.08314.57
5.3.270.0070.05714.54
5.3.260.0030.08014.61
5.3.250.0030.05314.55
5.3.240.0200.04014.46
5.3.230.0030.04714.55
5.3.220.0100.07314.51
5.3.210.0030.08014.58
5.3.200.0130.07014.38
5.3.190.0100.06314.55
5.3.180.0170.06314.41
5.3.170.0070.05314.39
5.3.160.0070.08014.52
5.3.150.0030.06314.41
5.3.140.0100.03314.51
5.3.130.0100.03314.53
5.3.120.0030.04314.52
5.3.110.0130.06014.40
5.3.100.0030.05713.89
5.3.90.0070.04014.01
5.3.80.0030.03713.77
5.3.70.0000.04014.00
5.3.60.0070.03313.91
5.3.50.0070.03313.90
5.3.40.0000.04013.92
5.3.30.0030.07313.89
5.3.20.0070.03313.55
5.3.10.0000.04013.60
5.3.00.0000.03713.59
5.2.170.0070.02713.32
5.2.160.0000.03313.32
5.2.150.0000.03013.32
5.2.140.0030.03313.32
5.2.130.0070.02713.32
5.2.120.0030.03013.32
5.2.110.0000.03013.32
5.2.100.0030.02713.32
5.2.90.0030.03013.32
5.2.80.0030.03013.32
5.2.70.0030.03713.32
5.2.60.0030.02713.32
5.2.50.0000.03713.32
5.2.40.0000.03013.32
5.2.30.0030.02713.32
5.2.20.0000.03313.32
5.2.10.0130.01713.32
5.2.00.0030.02713.32
5.1.60.0030.02313.32
5.1.50.0070.02013.32
5.1.40.0000.03013.32
5.1.30.0000.03013.32
5.1.20.0000.02713.32
5.1.10.0030.05313.32
5.1.00.0030.02313.32
5.0.50.0030.02013.32
5.0.40.0030.01713.32
5.0.30.0030.02713.32
5.0.20.0030.02013.32
5.0.10.0000.02013.32
5.0.00.0030.02713.32
4.4.90.0000.01713.32
4.4.80.0000.01713.32
4.4.70.0000.02713.32
4.4.60.0000.02313.32
4.4.50.0030.01713.32
4.4.40.0030.02313.32
4.4.30.0000.01713.32
4.4.20.0000.01713.32
4.4.10.0000.02713.32
4.4.00.0000.02713.32
4.3.110.0070.03313.32
4.3.100.0030.02313.32
4.3.90.0000.01713.32
4.3.80.0000.02713.32
4.3.70.0030.01013.32
4.3.60.0000.01313.32
4.3.50.0000.01313.32
4.3.40.0000.02313.32
4.3.30.0000.01713.32
4.3.20.0000.01713.32
4.3.10.0030.01313.32
4.3.00.0000.01313.32

preferences:
50.37 ms | 401 KiB | 5 Q