3v4l.org

run code in 300+ PHP versions simultaneously
<?php function str_rand($length=10) { return substr(str_shuffle(MD5(microtime())), 0, 10); } echo str_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)
7.1.70.0060.00617.10
7.1.60.0110.00016.95
7.1.50.0030.01716.87
7.1.00.0030.07722.43
7.0.200.0060.00916.48
7.0.140.0000.08022.07
7.0.100.0030.07719.84
7.0.90.0030.08719.91
7.0.80.0130.07719.85
7.0.70.0170.07319.80
7.0.60.0100.03319.89
7.0.50.0000.04320.24
7.0.40.0070.06720.07
7.0.30.0030.04320.08
7.0.20.0070.04320.10
7.0.10.0070.04320.10
7.0.00.0030.04020.13
5.6.280.0070.06721.13
5.6.250.0100.08020.43
5.6.240.0100.07720.47
5.6.230.0130.08020.64
5.6.220.0070.03720.54
5.6.210.0030.04020.63
5.6.200.0130.03321.08
5.6.190.0070.04020.95
5.6.180.0000.04721.06
5.6.170.0070.04021.04
5.6.160.0000.04320.96
5.6.150.0100.04720.99
5.6.140.0030.04021.05
5.6.130.0030.04321.17
5.6.120.0030.04321.05
5.6.110.0070.04021.05
5.6.100.0000.04721.05
5.6.90.0070.04021.02
5.6.80.0030.04020.33
5.6.70.0070.03720.56
5.6.60.0000.04320.46
5.6.50.0070.07720.44
5.6.40.0030.07320.41
5.6.30.0100.06720.32
5.6.20.0000.07720.32
5.6.10.0130.07020.37
5.6.00.0100.08020.42
5.5.380.0100.07020.31
5.5.370.0100.08320.40
5.5.360.0030.05320.34
5.5.350.0000.04720.33
5.5.340.0130.03320.81
5.5.330.0070.07320.91
5.5.320.0030.04020.94
5.5.310.0100.05720.92
5.5.300.0030.04020.83
5.5.290.0030.04020.87
5.5.280.0070.04020.80
5.5.270.0070.06720.88
5.5.260.0030.04720.91
5.5.250.0030.04320.57
5.5.240.0030.04020.21
5.5.230.0030.04320.27
5.5.220.0030.04020.17
5.5.210.0000.04320.01
5.5.200.0000.06320.16
5.5.190.0070.08320.16
5.5.180.0000.08020.24
5.5.160.0100.07720.29
5.5.150.0070.08720.13
5.5.140.0070.08320.09
5.5.130.0000.09320.27
5.5.120.0100.07320.09
5.5.110.0100.07720.27
5.5.100.0000.08720.18
5.5.90.0070.07320.16
5.5.80.0130.07020.09
5.5.70.0030.08320.13
5.5.60.0130.07319.93
5.5.50.0070.07720.06
5.5.40.0070.07720.08
5.5.30.0030.06320.16
5.5.20.0130.07320.14
5.5.10.0030.07720.05
5.5.00.0100.05720.11
5.4.450.0070.06719.36
5.4.440.0070.03719.56
5.4.430.0070.04019.50
5.4.420.0030.04019.48
5.4.410.0100.03319.43
5.4.400.0030.04019.14
5.4.390.0070.03719.13
5.4.380.0070.03319.14
5.4.370.0070.03319.04
5.4.360.0070.07319.05
5.4.350.0030.04719.15
5.4.340.0030.07319.03
5.4.320.0100.07018.86
5.4.310.0030.07318.92
5.4.300.0100.07018.95
5.4.290.0070.07719.13
5.4.280.0030.05719.18
5.4.270.0030.08319.13
5.4.260.0170.04319.04
5.4.250.0030.07719.13
5.4.240.0130.04719.02
5.4.230.0100.05719.12
5.4.220.0070.05319.15
5.4.210.0130.06019.18
5.4.200.0100.07319.23
5.4.190.0030.07719.04
5.4.180.0130.04718.84
5.4.170.0100.07319.10
5.4.160.0170.05719.06
5.4.150.0030.08018.86
5.4.140.0070.06016.43
5.4.130.0000.04716.41
5.4.120.0130.06716.27
5.4.110.0170.06716.43
5.4.100.0000.06016.32
5.4.90.0070.07016.39
5.4.80.0030.07016.32
5.4.70.0200.03316.50
5.4.60.0100.06316.45
5.4.50.0230.02316.34
5.4.40.0170.03016.49
5.4.30.0030.03716.48
5.4.20.0100.05316.44
5.4.10.0070.06316.36
5.4.00.0070.04315.78
5.3.290.0070.06314.67
5.3.280.0100.06714.57
5.3.270.0100.07314.72
5.3.260.0100.04314.74
5.3.250.0030.07314.63
5.3.240.0130.06714.70
5.3.230.0070.07714.53
5.3.220.0030.04714.57
5.3.210.0100.05014.57
5.3.200.0130.04014.60
5.3.190.0100.06714.62
5.3.180.0000.08014.55
5.3.170.0100.05314.51
5.3.160.0100.03314.70
5.3.150.0070.06314.54
5.3.140.0070.07714.52
5.3.130.0100.07014.55
5.3.120.0100.07714.53
5.3.110.0030.06714.47
5.3.100.0070.04014.02
5.3.90.0070.07713.96
5.3.80.0030.07014.07
5.3.70.0100.07014.02
5.3.60.0130.06713.98
5.3.50.0100.06014.05
5.3.40.0070.07013.93
5.3.30.0030.07013.82
5.3.20.0070.07013.80
5.3.10.0030.07313.61
5.3.00.0030.06013.71
5.2.170.0100.05312.18
5.2.160.0100.05312.18
5.2.150.0030.06712.18
5.2.140.0100.04012.18
5.2.130.0000.06312.18
5.2.120.0100.04312.18
5.2.110.0070.06012.18
5.2.100.0100.05012.18
5.2.90.0100.05012.18
5.2.80.0070.05012.18
5.2.70.0070.05012.18
5.2.60.0070.06712.18
5.2.50.0030.03312.18
5.2.40.0030.05712.18
5.2.30.0070.05712.18
5.2.20.0070.06012.18
5.2.10.0070.06312.18
5.2.00.0070.05312.18
5.1.60.0030.05012.18
5.1.50.0100.03012.18
5.1.40.0070.05012.18
5.1.30.0030.06012.18
5.1.20.0070.04712.18
5.1.10.0070.04012.18
5.1.00.0070.05312.18
5.0.50.0100.02012.18
5.0.40.0030.04012.18
5.0.30.0070.05712.18
5.0.20.0070.03712.18
5.0.10.0030.04312.18
5.0.00.0030.05712.18
4.4.90.0030.02012.18
4.4.80.0000.03712.18
4.4.70.0100.02712.18
4.4.60.0000.03712.18
4.4.50.0070.03312.18
4.4.40.0030.05312.18
4.4.30.0000.03712.18
4.4.20.0070.03012.18
4.4.10.0030.03312.18
4.4.00.0000.05712.18
4.3.110.0070.03012.18
4.3.100.0030.03312.18
4.3.90.0030.03712.18
4.3.80.0000.03712.18
4.3.70.0000.03312.18
4.3.60.0070.03012.18
4.3.50.0030.01312.18
4.3.40.0070.05012.18
4.3.30.0030.01312.18
4.3.20.0030.03312.18
4.3.10.0030.02712.18
4.3.00.0030.03312.18

preferences:
36.86 ms | 400 KiB | 5 Q