3v4l.org

run code in 300+ PHP versions simultaneously
<?php function getRndIV($iv_len) { $iv = ''; while ($iv_len-- > 0) { $iv .= chr(mt_rand() & 0xff); } return $iv; } echo getRndIV('16');

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)
7.2.00.0040.00819.28
7.1.70.0000.00717.04
7.1.60.0030.02019.32
7.1.50.0110.01116.86
7.1.00.0030.07722.28
7.0.200.0000.00816.76
7.0.140.0100.06722.07
7.0.60.0030.05020.04
7.0.50.0100.07717.91
7.0.40.0170.07320.11
7.0.30.0200.08720.08
7.0.20.0200.06020.10
7.0.10.0130.08320.21
7.0.00.0070.07020.24
5.6.280.0070.07020.91
5.6.210.0070.03720.46
5.6.200.0030.07018.16
5.6.190.0070.07320.58
5.6.180.0400.05320.52
5.6.170.0200.03720.47
5.6.160.0000.07020.71
5.6.150.0130.07318.13
5.6.140.0070.08018.17
5.6.130.0030.04718.19
5.6.120.0030.09021.01
5.6.110.0130.08020.96
5.6.100.0000.05021.14
5.6.90.0100.04321.04
5.6.80.0030.05720.41
5.5.350.4130.03720.40
5.5.340.0070.04718.10
5.5.330.0030.04720.41
5.5.320.0370.07020.35
5.5.310.0130.04320.34
5.5.300.0000.04018.03
5.5.290.0030.08018.03
5.5.280.0070.07020.67
5.5.270.0000.09320.84
5.5.260.0100.06020.79
5.5.250.0070.05020.61
5.5.240.0330.06320.20
5.4.450.3170.03719.57
5.4.440.3470.03719.39
5.4.430.3400.04019.55
5.4.420.3470.03319.48
5.4.410.3170.03719.29
5.4.400.3770.02719.14
5.4.390.4800.03719.08
5.4.380.3330.03319.09
5.4.370.4100.03318.95
5.4.360.3570.04019.22
5.4.350.3100.04019.05
5.4.340.4470.04719.23
5.4.320.3900.04318.99
5.4.310.3730.03719.02
5.4.300.4170.03719.26
5.4.290.3330.03719.14
5.4.280.3230.04319.13
5.4.270.2930.04019.00
5.4.260.3200.03718.99
5.4.250.3000.04019.14
5.4.240.3200.04019.07
5.4.230.3030.03319.18
5.4.220.3570.03319.30
5.4.210.2970.03318.86
5.4.200.3100.04319.14
5.4.190.3700.04019.18
5.4.180.3800.04018.88
5.4.170.4230.04018.86
5.4.160.3870.03319.09
5.4.150.3770.04318.97
5.4.140.3570.03716.50
5.4.130.3400.03016.45
5.4.120.3070.04316.46
5.4.110.3070.03716.33
5.4.100.3370.03716.46
5.4.90.3430.03316.60
5.4.80.4170.04016.44
5.4.70.3130.03716.54
5.4.60.4170.04016.57
5.4.50.3900.03316.63
5.4.40.3500.04016.54
5.4.30.3430.04016.53
5.4.20.3500.04016.53
5.4.10.2870.04316.55
5.4.00.3570.03315.86
5.3.290.3800.04014.52
5.3.280.3170.04314.56
5.3.270.4170.03714.52
5.3.260.3900.03314.60
5.3.250.3030.04014.71
5.3.240.3330.04014.59
5.3.230.3200.03014.81
5.3.220.3330.04014.64
5.3.210.2970.04014.78
5.3.200.3330.03314.54
5.3.190.3070.04014.57
5.3.180.4130.04014.48
5.3.170.4070.04014.68
5.3.160.3870.04014.78
5.3.150.3970.03014.49
5.3.140.3800.03714.77
5.3.130.3570.03714.70
5.3.120.4100.04014.61
5.3.110.3530.04014.64
5.3.100.3100.04714.04
5.3.90.3500.04013.92
5.3.80.2970.03313.93
5.3.70.3730.03013.93
5.3.60.4370.04013.90
5.3.50.4170.03313.87
5.3.40.3330.03714.16
5.3.30.4030.04014.02
5.3.20.3800.04013.73
5.3.10.3370.03313.58
5.3.00.3430.03713.79
5.2.170.2570.03311.26
5.2.160.3570.02711.26
5.2.150.2700.03011.12
5.2.140.2870.03311.30
5.2.130.2570.02711.15
5.2.120.3600.03311.03
5.2.110.2830.03711.10
5.2.100.3630.02711.32
5.2.90.2930.03011.14
5.2.80.3270.03311.04
5.2.70.3330.02311.06
5.2.60.2670.02311.16
5.2.50.2370.03011.02
5.2.40.2170.03010.96
5.2.30.2930.02710.89
5.2.20.2200.02710.96
5.2.10.2200.03010.84
5.2.00.3030.02010.83
5.1.60.2500.0279.98
5.1.50.1970.02010.09
5.1.40.2430.0139.86
5.1.30.2300.03310.29
5.1.20.2600.02710.32
5.1.10.3000.03010.04
5.1.00.2970.01710.12
5.0.50.0870.0338.51
5.0.40.1530.0208.51
5.0.30.1230.0308.51
5.0.20.1470.0238.51
5.0.10.0570.0208.51
5.0.00.1570.0338.51
4.4.90.1030.0138.51
4.4.80.1130.0178.51
4.4.70.1300.0178.51
4.4.60.1300.0178.51
4.4.50.1600.0178.51
4.4.40.1300.0308.51
4.4.30.1130.0208.51
4.4.20.0670.0178.51
4.4.10.0830.0238.51
4.4.00.1700.0308.51
4.3.110.0800.0208.51
4.3.100.1330.0138.51
4.3.90.1230.0208.51
4.3.80.0900.0378.51
4.3.70.1600.0178.51
4.3.60.1300.0208.51
4.3.50.1270.0178.51
4.3.40.1470.0238.51
4.3.30.0730.0208.51
4.3.20.0770.0278.51
4.3.10.0470.0238.51
4.3.00.0870.0178.51

preferences:
28.06 ms | 400 KiB | 5 Q