3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr(0, 8, str_shuffle(implode('', array_merge(range(0,9), range('a','z'), range('A','Z')))));

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)
7.2.110.0150.00816.24
7.2.60.0310.01216.88
7.1.200.0070.00715.71
7.1.100.0060.00618.17
7.1.70.0120.00017.11
7.1.60.0070.00719.24
7.1.50.0100.00716.73
7.1.00.0130.06722.31
7.0.200.0040.00816.62
7.0.140.0000.07322.08
7.0.100.0070.07719.93
7.0.90.0030.09320.02
7.0.80.0170.06719.85
7.0.70.0130.07319.87
7.0.60.0070.07019.87
7.0.50.0230.06720.29
7.0.40.0070.08320.18
7.0.30.0030.04320.15
7.0.20.0000.08320.08
7.0.10.0000.05320.14
7.0.00.0030.06720.18
5.6.280.0070.07021.12
5.6.250.0070.04720.56
5.6.240.0070.08320.66
5.6.230.0130.07020.63
5.6.220.0100.06020.52
5.6.210.0100.06020.45
5.6.200.0000.08720.94
5.6.190.0000.09021.04
5.6.180.0130.07720.98
5.6.170.0070.07720.95
5.6.160.0170.07321.08
5.6.150.0200.05720.94
5.6.140.0070.07720.94
5.6.130.0030.07320.94
5.6.120.0130.06721.01
5.6.110.0170.07321.10
5.6.100.0100.08021.02
5.6.90.0130.08021.06
5.6.80.0070.06720.46
5.6.70.0030.08720.36
5.6.60.0030.04020.32
5.6.50.0100.06720.44
5.6.40.0130.07320.52
5.6.30.0030.08020.29
5.6.20.0030.08720.40
5.6.10.0030.08720.29
5.6.00.0170.07720.25
5.5.380.0170.06720.42
5.5.370.0100.07720.45
5.5.360.0130.07020.39
5.5.350.0270.06720.42
5.5.340.0100.08020.84
5.5.330.0070.07720.64
5.5.320.0130.07020.77
5.5.310.0100.08720.79
5.5.300.0070.06020.88
5.5.290.0030.06020.86
5.5.280.0030.08720.83
5.5.270.0070.08020.87
5.5.260.0130.04320.86
5.5.250.0100.08320.69
5.5.240.0100.07020.21
5.5.230.0070.06720.28
5.5.220.0070.07720.20
5.5.210.0000.08720.29
5.5.200.0070.08320.27
5.5.190.0070.08020.12
5.5.180.0100.06319.99
5.5.160.0070.08320.20
5.5.150.0070.06720.16
5.5.140.0130.07720.20
5.5.130.0230.05720.24
5.5.120.0070.07720.11
5.5.110.0130.07320.24
5.5.100.0100.07320.07
5.5.90.0070.07020.00
5.5.80.0070.07019.94
5.5.70.0030.07720.06
5.5.60.0170.07320.13
5.5.50.0000.05320.09
5.5.40.0030.05320.05
5.5.30.0070.06319.95
5.5.20.0130.06720.13
5.5.10.0130.07320.07
5.5.00.0070.07020.02
5.4.450.0170.07019.29
5.4.440.0130.06319.38
5.4.430.0130.08019.29
5.4.420.0030.08319.39
5.4.410.0130.06319.24
5.4.400.0100.07019.03
5.4.390.0130.06719.07
5.4.380.0270.05319.12
5.4.370.0100.07319.10
5.4.360.0130.07718.81
5.4.350.0030.05019.11
5.4.340.0030.08318.81
5.4.320.0030.07319.03
5.4.310.0200.05319.11
5.4.300.0000.06719.02
5.4.290.0130.07319.22
5.4.280.0130.07018.94
5.4.270.0100.06018.81
5.4.260.0070.07319.02
5.4.250.0170.06719.07
5.4.240.0100.06019.06
5.4.230.0070.05018.77
5.4.220.0030.04019.06
5.4.210.0070.07719.22
5.4.200.0030.07019.14
5.4.190.0070.04718.97
5.4.180.0030.08318.80
5.4.170.0130.07318.93
5.4.160.0070.08018.94
5.4.150.0000.05319.01
5.4.140.0030.03316.28
5.4.130.0100.06716.27
5.4.120.0000.07716.36
5.4.110.0070.05716.21
5.4.100.0030.03716.44
5.4.90.0100.07016.35
5.4.80.0000.07016.36
5.4.70.0030.08016.29
5.4.60.0030.08016.21
5.4.50.0100.06316.18
5.4.40.0030.06016.23
5.4.30.0100.07016.32
5.4.20.0070.07316.20
5.4.10.0070.07016.18
5.4.00.0130.07015.73
5.3.290.0030.05714.64
5.3.280.0030.08014.59
5.3.270.0130.07014.43
5.3.260.0070.04314.57
5.3.250.0130.05014.57
5.3.240.0030.08014.57
5.3.230.0030.06714.55
5.3.220.0030.07314.54
5.3.210.0070.08014.43
5.3.200.0130.06314.51
5.3.190.0100.07014.59
5.3.180.0000.08014.55
5.3.170.0070.06714.43
5.3.160.0030.07014.43
5.3.150.0030.06014.43
5.3.140.0100.06714.57
5.3.130.0070.05314.56
5.3.120.0000.09014.54
5.3.110.0070.07314.54
5.3.100.0070.07314.01
5.3.90.0100.06313.93
5.3.80.0130.06714.02
5.3.70.0070.05714.03
5.3.60.0070.03713.83
5.3.50.0030.07713.90
5.3.40.0000.07313.81
5.3.30.0100.06313.89
5.3.20.0030.07013.66
5.3.10.0030.06013.66
5.3.00.0030.03713.50
5.2.170.0000.06012.08
5.2.160.0070.03312.08
5.2.150.0100.05312.08
5.2.140.0070.05312.08
5.2.130.0000.06312.08
5.2.120.0000.05712.08
5.2.110.0100.02312.08
5.2.100.0070.05012.08
5.2.90.0030.06012.08
5.2.80.0070.07012.08
5.2.70.0130.06012.08
5.2.60.0030.05712.08
5.2.50.0070.05712.08
5.2.40.0000.06012.08
5.2.30.0130.05712.08
5.2.20.0030.04012.08
5.2.10.0030.06012.08
5.2.00.0070.03712.08
5.1.60.0100.04712.08
5.1.50.0070.04312.08
5.1.40.0000.05712.08
5.1.30.0130.04712.08
5.1.20.0070.05312.08
5.1.10.0070.04012.08
5.1.00.0100.02712.08
5.0.50.0070.04312.08
5.0.40.0030.03012.08
5.0.30.0030.06712.08
5.0.20.0000.05012.08
5.0.10.0130.03012.08
5.0.00.0030.03712.08
4.4.90.0000.03312.08
4.4.80.0070.03012.08
4.4.70.0000.02712.08
4.4.60.0030.02712.08
4.4.50.0070.02712.08
4.4.40.0070.04712.08
4.4.30.0000.02012.08
4.4.20.0070.03312.08
4.4.10.0030.02712.08
4.4.00.0030.05312.08
4.3.110.0000.04312.08
4.3.100.0030.02712.08
4.3.90.0030.03312.08
4.3.80.0000.04012.08
4.3.70.0030.03312.08
4.3.60.0030.02712.08
4.3.50.0030.03312.08
4.3.40.0000.05312.08
4.3.30.0030.01712.08
4.3.20.0030.03312.08
4.3.10.0030.03312.08
4.3.00.0000.03312.08

preferences:
36.2 ms | 401 KiB | 5 Q