3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! function crc($i){return crc32($i);} $uri='/advert.html'; var_dump(crc($uri), crc(strrev($uri)), ( crc($uri)<<32));

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)
8.3.70.0140.00718.07
8.3.60.0100.00618.30
8.3.50.0120.01022.01
8.3.40.0110.00418.62
8.3.30.0080.00618.91
8.3.20.0040.00420.30
8.3.10.0040.00421.90
8.3.00.0000.00822.41
8.2.190.0120.00316.58
8.2.180.0090.00618.54
8.2.170.0110.00422.96
8.2.160.0170.00020.99
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0000.00722.07
8.2.110.0040.00422.30
8.2.100.0080.00417.66
8.2.90.0080.00019.05
8.2.80.0080.00017.97
8.2.70.0060.00317.63
8.2.60.0060.00317.80
8.2.50.0040.00418.07
8.2.40.0000.00718.09
8.2.30.0000.00917.88
8.2.20.0040.00417.55
8.2.10.0000.00717.63
8.2.00.0040.00417.55
8.1.280.0130.00725.92
8.1.270.0000.00823.84
8.1.260.0070.01026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.79
8.1.230.0090.00319.06
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0060.00317.40
8.1.180.0030.00618.10
8.1.170.0000.00818.53
8.1.160.0040.00421.86
8.1.150.0000.00718.51
8.1.140.0000.00717.34
8.1.130.0030.00317.82
8.1.120.0030.00317.43
8.1.110.0040.00417.41
8.1.100.0000.00717.38
8.1.90.0000.00717.40
8.1.80.0000.00817.40
8.1.70.0000.00717.36
8.1.60.0060.00317.63
8.1.50.0080.00017.53
8.1.40.0050.00317.56
8.1.30.0000.00817.48
8.1.20.0000.00817.54
8.1.10.0020.00517.48
8.1.00.0000.00717.26
8.0.300.0000.00718.77
8.0.290.0000.00717.05
8.0.280.0030.00318.29
8.0.270.0030.00317.10
8.0.260.0000.00816.77
8.0.250.0070.00016.82
8.0.240.0000.00716.93
8.0.230.0040.00416.82
8.0.220.0030.00316.91
8.0.210.0000.00716.82
8.0.200.0030.00316.95
8.0.190.0070.00016.87
8.0.180.0060.00316.91
8.0.170.0030.00516.87
8.0.160.0000.00716.77
8.0.150.0000.00816.79
8.0.140.0080.00016.80
8.0.130.0050.00013.21
8.0.120.0040.00416.70
8.0.110.0070.00016.73
8.0.100.0050.00216.79
8.0.90.0040.00416.77
8.0.80.0030.01016.87
8.0.70.0040.00416.80
8.0.60.0000.00816.63
8.0.50.0040.00416.88
8.0.30.0120.01217.04
8.0.20.0090.01117.40
8.0.10.0000.00716.96
8.0.00.0070.01116.80
7.4.330.0020.00215.00
7.4.320.0000.00616.47
7.4.300.0030.00316.59
7.4.290.0000.00716.52
7.4.280.0050.00316.48
7.4.270.0030.00316.61
7.4.260.0040.00416.56
7.4.250.0000.00716.47
7.4.240.0040.00416.61
7.4.230.0040.00416.63
7.4.220.0180.00616.63
7.4.210.0060.00816.59
7.4.200.0030.00416.70
7.4.190.0070.00016.59
7.4.160.0100.01016.50
7.4.150.0140.01217.40
7.4.140.0050.01617.86
7.4.130.0110.00816.47
7.4.120.0090.01016.62
7.4.110.0040.01316.64
7.4.100.0100.00816.73
7.4.90.0060.01216.42
7.4.80.0060.01219.39
7.4.70.0090.00616.54
7.4.60.0030.01316.46
7.4.50.0040.00416.45
7.4.40.0070.01022.77
7.4.30.0110.00616.57
7.4.00.0100.00714.76
7.3.330.0030.00313.20
7.3.320.0030.00313.30
7.3.310.0070.00016.21
7.3.300.0050.00216.10
7.3.290.0060.01516.25
7.3.280.0110.00716.24
7.3.270.0130.00417.40
7.3.260.0070.01016.39
7.3.250.0100.01016.41
7.3.240.0080.00816.57
7.3.230.0040.01316.39
7.3.210.0080.00816.30
7.3.200.0100.00719.39
7.3.190.0100.01116.48
7.3.180.0060.00916.15
7.3.170.0030.01316.38
7.3.160.0060.01116.27
7.3.120.0110.00714.94
7.2.330.0030.01316.27
7.2.320.0130.00316.64
7.2.310.0120.01116.62
7.2.300.0080.00816.34
7.2.290.0140.00716.50
7.2.00.0040.00819.19
7.1.200.0060.00615.80
7.1.100.0060.00618.14
7.1.70.0000.00717.25
7.1.60.0130.01019.82
7.1.50.0190.01334.75
7.1.00.0070.08722.43
7.0.200.0060.00616.51
7.0.140.0070.06321.92
7.0.60.0000.04319.79
7.0.50.0100.03317.77
7.0.40.0070.09020.09
7.0.30.0200.04320.08
7.0.20.0270.07020.10
7.0.10.0070.04020.07
7.0.00.0100.03720.16
5.6.280.0100.06721.08
5.6.210.0130.07020.61
5.6.200.0030.05318.16
5.6.190.0030.05320.79
5.6.180.0330.04020.63
5.6.170.0300.06320.54
5.6.160.0030.04320.50
5.6.150.0170.07018.12
5.6.140.0130.06018.18
5.6.130.0100.06718.15
5.6.120.0030.04320.90
5.6.110.0070.08320.90
5.6.100.0070.07020.98
5.6.90.0030.07021.13
5.6.80.0070.03720.39
5.5.350.4170.03320.46
5.5.340.0300.03017.99
5.5.330.0100.03720.13
5.5.320.0030.04020.32
5.5.310.0370.05320.30
5.5.300.0070.08017.95
5.5.290.0200.07017.97
5.5.280.0070.03720.98
5.5.270.0170.07320.84
5.5.260.0130.07720.87
5.5.250.0030.08020.70
5.5.240.0130.04020.15
5.4.450.0100.04319.59
5.4.440.0100.04319.41
5.4.430.0300.07019.54
5.4.420.0230.04719.57
5.4.410.0230.07019.39
5.4.400.0200.04719.09
5.4.390.0130.04319.05
5.4.380.0200.03719.09
5.4.370.0330.06319.09
5.4.360.0230.04318.87
5.4.350.0370.05719.08
5.4.340.0270.06319.15
5.4.320.0300.03719.09
5.4.310.0200.04719.09
5.4.300.0270.06018.95
5.4.290.0300.06719.22
5.4.280.0300.07719.13
5.4.270.0230.06319.06
5.4.260.0270.05719.15
5.4.250.0200.05019.23
5.4.240.0270.07019.21
5.4.230.0200.04019.23
5.4.220.0330.05019.31
5.4.210.0270.05719.21
5.4.200.0230.05318.98
5.4.190.0270.07018.93
5.4.180.0300.06718.98
5.4.170.0300.06719.07
5.4.160.0200.05319.14
5.4.150.0300.06718.97
5.4.140.0230.05716.31
5.4.130.0230.06716.37
5.4.120.0230.05316.46
5.4.110.0370.06016.41
5.4.100.0200.04016.37
5.4.90.0230.07316.27
5.4.80.0270.06016.30
5.4.70.0270.05716.25
5.4.60.0100.05016.42
5.4.50.0300.06316.25
5.4.40.0200.07316.51
5.4.30.0300.03316.43
5.4.20.0270.07016.32
5.4.10.0230.05716.16
5.4.00.0270.05315.95
5.3.290.0270.04014.65
5.3.280.0200.08014.57
5.3.270.0270.06714.65
5.3.260.0270.06014.51
5.3.250.0300.07014.76
5.3.240.0130.04714.52
5.3.230.0270.06714.50
5.3.220.0300.06014.49
5.3.210.0230.07314.48
5.3.200.0170.05314.47
5.3.190.0170.06714.57
5.3.180.0100.06014.57
5.3.170.0230.05314.47
5.3.160.0300.07014.57
5.3.150.0270.04014.72
5.3.140.0270.04014.46
5.3.130.0230.04314.55
5.3.120.0300.06714.52
5.3.110.0230.04714.59
5.3.100.0200.05314.02
5.3.90.0330.04313.99
5.3.80.0300.04314.23
5.3.70.0100.06013.92
5.3.60.0270.03714.05
5.3.50.0230.07013.95
5.3.40.0230.03713.87
5.3.30.0230.04713.99
5.3.20.0200.04713.59
5.3.10.0370.04713.66
5.3.00.0230.03713.66
5.2.170.0200.04713.02
5.2.160.0200.03313.02
5.2.150.0170.04713.02
5.2.140.0170.04313.02
5.2.130.0100.06013.02
5.2.120.0100.04313.02
5.2.110.0200.04013.02
5.2.100.0270.02713.02
5.2.90.0170.03013.02
5.2.80.0300.05013.02
5.2.70.0200.04013.02
5.2.60.0170.06313.02
5.2.50.0270.04713.02
5.2.40.0230.05713.02
5.2.30.0200.04013.02
5.2.20.0130.05313.02
5.2.10.0200.04013.02
5.2.00.0130.06313.02
5.1.60.0130.02313.02
5.1.50.0100.04313.02
5.1.40.0130.04013.02
5.1.30.0100.04313.02
5.1.20.0200.04313.02
5.1.10.0200.05313.02
5.1.00.0130.04713.02
5.0.50.0170.02713.02
5.0.40.0100.02313.02
5.0.30.0170.03713.02
5.0.20.0100.04313.02
5.0.10.0100.04013.02
5.0.00.0130.05713.02
4.4.90.0100.02013.02
4.4.80.0100.03013.02
4.4.70.0070.02313.02
4.4.60.0100.02313.02
4.4.50.0070.02713.02
4.4.40.0070.03013.02
4.4.30.0100.01713.02
4.4.20.0100.01713.02
4.4.10.0030.02313.02
4.4.00.0100.03013.02
4.3.110.0100.03313.02
4.3.100.0100.03013.02
4.3.90.0130.02013.02
4.3.80.0070.05313.02
4.3.70.0070.03713.02
4.3.60.0130.02713.02
4.3.50.0100.02713.02
4.3.40.0070.03313.02
4.3.30.0070.02713.02
4.3.20.0030.04013.02
4.3.10.0070.03713.02
4.3.00.0130.02313.02

preferences:
35.41 ms | 401 KiB | 5 Q