3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = strftime(str_repeat("x", 1024), time()); if (is_string($r)) { var_dump("string:" . strlen($r)); } else { var_dump($r); }

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)
7.2.00.0070.01119.28
7.1.100.0040.00717.88
7.1.70.0020.00517.28
7.1.60.0120.01219.32
7.1.50.0040.01416.95
7.1.00.0030.07322.57
7.0.200.0030.00616.87
7.0.140.0000.07721.96
7.0.100.0070.07319.91
7.0.90.0070.07020.03
7.0.80.0070.08019.98
7.0.70.0100.08019.98
7.0.60.0070.04320.09
7.0.50.0530.08020.31
7.0.40.0100.09020.13
7.0.30.0070.08020.11
7.0.20.0100.06720.10
7.0.10.0030.07020.11
7.0.00.0070.08720.02
5.6.280.0030.07321.12
5.6.250.0100.08020.59
5.6.240.0070.08720.61
5.6.230.0100.07720.59
5.6.220.0070.04720.59
5.6.210.0070.06320.77
5.6.200.0100.08021.05
5.6.190.0100.08321.02
5.6.180.0000.09021.10
5.6.170.0030.05021.08
5.6.160.0030.09321.07
5.6.150.0030.09020.96
5.6.140.0030.06021.10
5.6.130.0100.08020.96
5.6.120.0070.08321.07
5.6.110.0070.08320.94
5.6.100.0030.09020.98
5.6.90.0100.05021.02
5.6.80.0130.07020.48
5.6.70.0070.08020.39
5.6.60.0070.06720.37
5.6.50.0100.07720.42
5.6.40.0070.05020.46
5.6.30.0070.08020.44
5.6.20.0130.05320.38
5.6.10.0100.07320.52
5.6.00.0100.07020.31
5.5.380.0070.07320.41
5.5.370.0100.04320.36
5.5.360.0000.05720.41
5.5.350.0070.07020.42
5.5.340.0100.04320.77
5.5.330.0200.06320.80
5.5.320.0030.05020.80
5.5.310.0130.05720.91
5.5.300.0100.07020.75
5.5.290.0030.04320.91
5.5.280.0030.08020.79
5.5.270.0100.08020.85
5.5.260.0070.04320.81
5.5.250.0130.07320.60
5.5.240.0130.04020.02
5.5.230.0130.05320.26
5.5.220.0000.08720.24
5.5.210.0070.07020.22
5.5.200.0030.04320.11
5.5.190.0100.07720.21
5.5.180.0130.07720.25
5.5.160.0030.06020.08
5.5.150.0070.04320.17
5.5.140.0070.05020.14
5.5.130.0070.08020.23
5.5.120.0100.08320.14
5.5.110.0070.08320.26
5.5.100.0070.07720.01
5.5.90.0130.04720.15
5.5.80.0070.07720.07
5.5.70.0070.07020.05
5.5.60.0100.07720.00
5.5.50.0030.07320.15
5.5.40.0000.08720.04
5.5.30.0170.07019.94
5.5.20.0070.07720.12
5.5.10.0130.06320.06
5.5.00.0200.06720.02
5.4.450.0030.07319.13
5.4.440.0030.06319.47
5.4.430.0130.07019.11
5.4.420.0170.06719.22
5.4.410.0070.04319.28
5.4.400.0000.08019.10
5.4.390.0100.07719.03
5.4.380.0030.06319.12
5.4.370.0130.07319.04
5.4.360.0100.07019.05
5.4.350.0070.03319.13
5.4.340.0130.07719.07
5.4.320.0200.05018.79
5.4.310.0100.07319.11
5.4.300.0070.03719.23
5.4.290.0100.08319.07
5.4.280.0070.07719.24
5.4.270.0200.06318.94
5.4.260.0100.08019.09
5.4.250.0100.07018.89
5.4.240.0070.08019.19
5.4.230.0070.06718.97
5.4.220.0030.04318.98
5.4.210.0130.03719.13
5.4.200.0070.07718.91
5.4.190.0030.08019.11
5.4.180.0070.08019.02
5.4.170.0070.07719.05
5.4.160.0070.07719.01
5.4.150.0170.06319.09
5.4.140.0030.07316.37
5.4.130.0070.04316.17
5.4.120.0030.07016.34
5.4.110.0070.06316.36
5.4.100.0070.07316.49
5.4.90.0070.06716.27
5.4.80.0070.06016.48
5.4.70.0100.07016.34
5.4.60.0130.03716.35
5.4.50.0070.06716.23
5.4.40.0070.07016.45
5.4.30.0070.06716.27
5.4.20.0130.07016.29
5.4.10.0130.06716.29
5.4.00.0070.03715.71
5.3.290.0100.07014.67
5.3.280.0030.07014.57
5.3.270.0030.04314.59
5.3.260.0030.06714.56
5.3.250.0030.08014.60
5.3.240.0100.07314.58
5.3.230.0030.07714.55
5.3.220.0130.06714.41
5.3.210.0000.08314.49
5.3.200.0100.06714.55
5.3.190.0070.07014.51
5.3.180.0000.06714.50
5.3.170.0000.04714.42
5.3.160.0000.04014.42
5.3.150.0030.08014.56
5.3.140.0000.06714.49
5.3.130.0100.07014.40
5.3.120.0100.06014.54
5.3.110.0070.07314.42
5.3.100.0070.07314.01
5.3.90.0200.06013.98
5.3.80.0100.05013.98
5.3.70.0000.04013.97
5.3.60.0070.06013.99
5.3.50.0030.07713.72
5.3.40.0100.07313.89
5.3.30.0130.06313.86
5.3.20.0070.06713.55
5.3.10.0000.08013.56
5.3.00.0070.07313.50
5.2.170.0030.04711.09
5.2.160.0030.03311.10
5.2.150.0030.06311.21
5.2.140.0070.06311.16
5.2.130.0070.06011.09
5.2.120.0070.05011.10
5.2.110.0030.06011.09
5.2.100.0130.04711.09
5.2.90.0070.05311.09
5.2.80.0030.06311.09
5.2.70.0000.04711.09
5.2.60.0030.06711.09
5.2.50.0030.06311.09
5.2.40.0070.05711.09
5.2.30.0100.05711.09
5.2.20.0170.04011.09
5.2.10.0030.06011.09
5.2.00.0030.05011.09
5.1.60.0070.05011.09
5.1.50.0030.04311.09
5.1.40.0030.05311.09
5.1.30.0030.05311.09
5.1.20.0030.05311.09
5.1.10.0030.05311.09
5.1.00.0070.05711.09
5.0.50.0100.04011.09
5.0.40.0000.03011.09
5.0.30.0070.06311.09
5.0.20.0030.04311.09
5.0.10.0000.04311.09
5.0.00.0000.06311.09
4.4.90.0030.03711.09
4.4.80.0100.02711.09
4.4.70.0070.03011.09
4.4.60.0000.03711.09
4.4.50.0070.03011.09
4.4.40.0000.05711.09
4.4.30.0000.04011.09
4.4.20.0070.02711.09
4.4.10.0170.01711.09
4.4.00.0000.05711.09
4.3.110.0070.02711.09
4.3.100.0030.02711.09
4.3.90.0000.03711.09
4.3.80.0000.05711.09
4.3.70.0130.02311.09
4.3.60.0000.03711.09
4.3.50.0070.02711.09
4.3.40.0000.04311.09
4.3.30.0030.03311.09
4.3.20.0000.03711.09
4.3.10.0000.03711.09
4.3.00.0000.03011.09

preferences:
34.16 ms | 400 KiB | 5 Q