3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strlen(crc32(mt_rand())));

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)
7.2.00.0080.00818.94
7.1.70.0060.00616.87
7.1.60.0130.01019.82
7.1.50.0030.00816.54
7.1.00.0070.07322.26
7.0.200.0000.01016.64
7.0.140.0000.07721.95
7.0.60.0200.02720.06
7.0.50.0100.08017.84
7.0.40.0070.09020.04
7.0.30.0330.03020.02
7.0.20.0370.04720.12
7.0.10.0370.07020.22
7.0.00.0030.08720.16
5.6.280.0030.07321.01
5.6.210.0070.04720.52
5.6.200.0070.06718.21
5.6.190.0130.08320.45
5.6.180.0400.07020.24
5.6.170.0370.06020.71
5.6.160.0030.07020.50
5.6.150.0070.08718.20
5.6.140.0030.08318.18
5.6.130.0170.07018.18
5.6.120.0100.08320.98
5.6.110.0000.09020.99
5.6.100.0070.08020.97
5.6.90.0130.07321.11
5.6.80.0100.04020.38
5.6.70.4330.04020.34
5.5.350.0300.07320.29
5.5.340.0100.06317.98
5.5.330.0070.05320.46
5.5.320.0300.07320.19
5.5.310.0270.08720.22
5.5.300.0130.06017.98
5.5.290.0070.07717.92
5.5.280.0170.08020.80
5.5.270.0100.08020.75
5.5.260.0070.08320.75
5.5.250.0000.04320.68
5.5.240.0070.08320.22
5.4.450.0130.06319.48
5.4.440.0300.06019.27
5.4.430.0370.06719.22
5.4.420.0070.06319.39
5.4.410.0200.06718.95
5.4.400.0870.05718.61
5.4.390.0770.06718.71
5.4.380.0300.06018.72
5.4.370.0070.04018.44
5.4.360.0070.04018.49
5.4.350.0030.03811.97
5.4.340.0060.03911.97
5.4.320.0040.04612.45
5.4.310.0060.04212.45
5.4.300.0070.04212.45
5.4.290.0090.04412.45
5.4.280.0070.04212.34
5.4.270.0100.05018.80
5.4.260.0170.05719.00
5.4.250.0170.04718.93
5.4.240.0100.07018.74
5.4.230.0130.04718.91
5.4.220.0130.07719.02
5.4.210.0070.05719.03
5.4.200.0130.07718.83
5.4.190.0170.07018.93
5.4.180.0070.05718.89
5.4.170.0070.06018.66
5.4.160.0230.06318.82
5.4.150.0170.07018.91
5.4.140.0130.05016.27
5.4.130.0030.05016.41
5.4.120.0100.07016.46
5.4.110.0030.05716.29
5.4.100.0130.04716.42
5.4.90.0130.06316.35
5.4.80.0100.05016.21
5.4.70.0200.04716.34
5.4.60.0100.04716.50
5.4.50.0100.04716.46
5.4.40.0130.06716.44
5.4.30.0130.04716.47
5.4.20.0100.05716.46
5.4.10.0200.06316.37
5.4.00.0300.05015.85
5.3.290.0070.03712.80
5.3.280.0070.07014.59
5.3.270.0100.07014.75
5.3.260.0070.07314.65
5.3.250.0070.07314.64
5.3.240.0130.05314.61
5.3.230.0130.06014.59
5.3.220.0070.05014.44
5.3.210.0000.06314.40
5.3.200.0070.05314.43
5.3.190.0130.04714.61
5.3.180.0070.05314.41
5.3.170.0170.06014.57
5.3.160.0170.06014.45
5.3.150.0070.06714.71
5.3.140.0230.05714.57
5.3.130.0130.05014.39
5.3.120.0070.07714.41
5.3.110.0030.06714.56
5.3.100.0170.05313.90
5.3.90.0070.07314.16
5.3.80.0170.06314.10
5.3.70.0200.04313.86
5.3.60.0130.06714.01
5.3.50.0230.04013.97
5.3.40.0170.05713.96
5.3.30.0130.06313.91
5.3.20.0070.05313.70
5.3.10.0100.06713.34
5.3.00.0100.04713.50
5.2.170.0100.04311.25
5.2.160.0100.04011.06
5.2.150.0070.06011.17
5.2.140.0200.05011.15
5.2.130.0130.04710.98
5.2.120.0070.03711.25
5.2.110.0100.03711.01
5.2.100.0130.03311.10
5.2.90.0170.04310.98
5.2.80.0100.05710.99
5.2.70.0070.04711.08
5.2.60.0130.03711.06
5.2.50.0130.03710.85
5.2.40.0130.05310.98
5.2.30.0070.04310.97
5.2.20.0070.04310.86
5.2.10.0070.04310.94
5.2.00.0070.05310.73
5.1.60.0070.03310.04
5.1.50.0070.0379.94
5.1.40.0100.04710.06
5.1.30.0030.03710.32
5.1.20.0030.04010.31
5.1.10.0130.03710.03
5.1.00.0070.04010.21
5.0.50.0030.0378.48
5.0.40.0130.0238.45
5.0.30.0030.0538.19
5.0.20.0070.0378.23
5.0.10.0130.0308.22
5.0.00.0030.0438.24
4.4.90.0000.0337.22
4.4.80.0070.0207.22
4.4.70.0000.0277.22
4.4.60.0130.0177.22
4.4.50.0000.0277.22
4.4.40.0030.0477.22
4.4.30.0030.0237.22
4.4.20.0100.0207.21
4.4.10.0070.0307.22
4.4.00.0170.0407.22
4.3.110.0030.0307.22
4.3.100.0030.0207.22
4.3.90.0130.0137.22
4.3.80.0030.0337.22
4.3.70.0100.0207.22
4.3.60.0000.0277.22
4.3.50.0100.0177.22
4.3.40.0030.0477.22
4.3.30.0030.0207.22
4.3.20.0100.0237.22
4.3.10.0070.0207.22
4.3.00.0000.0276.71

preferences:
34.58 ms | 401 KiB | 5 Q