3v4l.org

run code in 300+ PHP versions simultaneously
<?php ob_start(); $time = microtime(1); $i = 0; while ($i++ < 10000) echo'aaaaaaa'.'aaaaaaa'.'aaaaaaa'.'aaaaaaa'; $end = microtime(1); ob_end_clean(); echo "period took ".($end-$time); ob_start(); $time = microtime(1); $i = 0; while ($i++ < 10000) echo'aaaaaaa','aaaaaaa','aaaaaaa','aaaaaaa'; $end = microtime(1); ob_end_clean(); echo "comma took ".($end-$time);

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)
7.2.00.0090.00619.43
7.1.70.0030.00717.28
7.1.60.0070.01619.82
7.1.50.0040.00816.82
7.1.00.0070.07722.37
7.0.200.0140.00316.80
7.0.140.0000.07721.99
7.0.70.0070.06720.27
7.0.60.0100.09020.16
7.0.50.0230.04720.57
7.0.40.0030.04320.08
7.0.30.0030.04720.04
7.0.20.0070.04020.13
7.0.10.0030.04320.07
7.0.00.0030.05020.12
5.6.280.0070.07721.43
5.6.220.0100.08020.96
5.6.210.0200.07720.73
5.6.200.0030.04721.40
5.6.190.0130.06321.32
5.6.180.0130.04021.23
5.6.170.0070.04321.30
5.6.160.0070.04321.38
5.6.150.0000.05021.31
5.6.140.0030.04321.32
5.6.130.0070.06721.34
5.6.120.0100.04321.31
5.6.110.0130.03721.23
5.6.100.0030.04721.30
5.6.90.0100.03721.31
5.6.80.0100.03020.84
5.6.70.0000.04020.74
5.6.60.0070.05320.59
5.6.50.0100.03720.57
5.6.40.0030.04320.57
5.6.30.0200.08320.75
5.6.20.0130.08020.65
5.6.10.0130.08320.66
5.6.00.0170.07020.66
5.5.360.0000.05020.66
5.5.350.0070.08020.79
5.5.340.0030.04721.14
5.5.330.0030.04721.19
5.5.320.0070.04021.16
5.5.310.0070.04321.02
5.5.300.0130.04021.17
5.5.290.0070.04321.01
5.5.280.0100.07321.18
5.5.270.0070.06321.18
5.5.260.0070.04021.13
5.5.250.0030.04721.01
5.5.240.0070.04020.57
5.5.230.0100.04320.58
5.5.220.0000.04020.57
5.5.210.0130.07320.48
5.5.200.0030.04720.55
5.5.190.0030.07020.36
5.5.180.0130.06720.40
5.5.160.0170.07320.50
5.5.150.0130.05320.52
5.5.140.0030.06020.51
5.5.130.0030.09320.40
5.5.120.0100.08320.55
5.5.110.0070.08320.54
5.5.100.0070.09020.39
5.5.90.0100.07320.41
5.5.80.0170.05320.43
5.5.70.0000.05020.32
5.5.60.0170.06020.34
5.5.50.0100.08020.43
5.5.40.0100.07020.38
5.5.30.0030.05320.37
5.5.20.0070.04020.33
5.5.10.0100.08020.39
5.5.00.0130.07320.37
5.4.450.0070.05319.64
5.4.440.0030.09019.65
5.4.430.0070.04019.63
5.4.420.0000.04719.38
5.4.410.0030.04019.51
5.4.400.0030.04319.23
5.4.390.0070.03719.09
5.4.380.0030.03319.42
5.4.370.0000.05019.25
5.4.360.0030.04019.51
5.4.350.0070.07719.24
5.4.340.0030.08719.39
5.4.320.0130.07719.09
5.4.310.0070.07019.20
5.4.300.0070.06019.05
5.4.290.0070.08319.30
5.4.280.0100.08319.50
5.4.270.0170.07719.25
5.4.260.0130.07719.26
5.4.250.0070.06019.34
5.4.240.0100.03319.33
5.4.230.0070.04719.16
5.4.220.0070.08319.23
5.4.210.0100.05019.25
5.4.200.0200.07319.25
5.4.190.0130.05719.63
5.4.180.0030.08019.21
5.4.170.0130.08319.08
5.4.160.0200.06719.40
5.4.150.0130.07319.21
5.4.140.0070.07716.63
5.4.130.0070.08016.54
5.4.120.0100.04316.64
5.4.110.0270.05716.53
5.4.100.0030.07716.46
5.4.90.0130.07016.42
5.4.80.0100.07316.57
5.4.70.0000.07016.66
5.4.60.0070.07716.64
5.4.50.0070.07716.43
5.4.40.0100.07716.72
5.4.30.0100.08016.46
5.4.20.0130.07016.43
5.4.10.0030.07716.53
5.4.00.0070.07316.07
5.3.290.0070.08715.07
5.3.280.0000.05014.88
5.3.270.0000.06714.98
5.3.260.0130.05714.88
5.3.250.0000.07715.04
5.3.240.0070.07715.02
5.3.230.0100.08015.01
5.3.220.0070.08014.85
5.3.210.0100.08314.93
5.3.200.0100.08014.96
5.3.190.0130.07314.93
5.3.180.0100.07714.85
5.3.170.0070.07714.91
5.3.160.0070.04314.99
5.3.150.0030.04014.91
5.3.140.0030.08314.97
5.3.130.0170.06314.91
5.3.120.0030.08714.94
5.3.110.0100.06314.91
5.3.100.0070.05014.33
5.3.90.0100.07014.42
5.3.80.0070.08314.34
5.3.70.0070.08014.43
5.3.60.0130.07014.33
5.3.50.0070.07714.23
5.3.40.0100.06714.36
5.3.30.0100.07014.09
5.3.20.0100.07014.04
5.3.10.0170.02713.93
5.3.00.0100.07013.83
5.2.170.0070.06311.57
5.2.160.0000.03711.62
5.2.150.0000.07711.44
5.2.140.0070.06311.60
5.2.130.0000.03711.78
5.2.120.0130.05711.49
5.2.110.0070.06711.36
5.2.100.0100.06311.39
5.2.90.0070.06711.49
5.2.80.0070.06311.52
5.2.70.0070.06711.49
5.2.60.0100.06011.49
5.2.50.0000.06711.32
5.2.40.0070.04011.23
5.2.30.0000.03711.33
5.2.20.0100.05711.42
5.2.10.0100.06311.57
5.2.00.0030.06711.04
5.1.60.0030.06010.61
5.1.50.0070.06010.61
5.1.40.0100.04310.61
5.1.30.0000.05310.66
5.1.20.0100.06010.72
5.1.10.0130.05710.61
5.1.00.0100.05310.61
5.0.50.0070.05310.61
5.0.40.0070.04010.61
5.0.30.0030.06710.61
5.0.20.0000.05310.61
5.0.10.0030.04710.61
5.0.00.0000.07310.61
4.4.90.0070.04010.61
4.4.80.0000.04710.61
4.4.70.0030.04310.61
4.4.60.0070.03710.61
4.4.50.0000.04310.61
4.4.40.0030.06010.61
4.4.30.0030.03710.61
4.4.20.0000.04710.61
4.4.10.0030.04010.61
4.4.00.0000.05710.61
4.3.110.0030.04310.61
4.3.100.0030.04010.61
4.3.90.0000.04310.61
4.3.80.0000.06310.61
4.3.70.0070.03710.61
4.3.60.0100.03310.61
4.3.50.0000.04710.61
4.3.40.0100.05010.61
4.3.30.0030.03310.61
4.3.20.0000.04010.61
4.3.10.0000.04310.61
4.3.00.0000.04310.61

preferences:
34.04 ms | 401 KiB | 5 Q