3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array(); $b=null; $e=null; $l=100; $i=0; while($i++ < $l){ $b=microtime(true); $e=microtime(true); $a[] = $e - $b; } $an = (array_sum($a) / count($a))*1000; $i = 0; $a=array(); $b=null; $e=null; while($i++ < $l){ $b=microtime(true); microtime(true); microtime(true); $e=microtime(true); $a[] = $e - $b; } $am = (array_sum($a) / count($a))*1000; echo "Average empty time measure: " . $an ."sec\n"; echo "Average filled time measure: " . $am ."sec\n"; echo "Average 2 microtime calls: " . ($am - $an) . 'sec';

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)
7.2.00.0030.01019.18
7.1.70.0030.01217.38
7.1.60.0030.02019.17
7.1.50.0090.01517.03
7.1.00.0030.03322.36
7.0.200.0000.00716.74
7.0.140.0030.07322.01
7.0.100.0170.03319.98
7.0.90.0170.04020.15
7.0.80.0130.04319.95
7.0.70.0030.04019.95
7.0.60.0130.04019.84
7.0.50.0230.06020.35
7.0.40.0000.08720.11
7.0.30.0070.07020.14
7.0.20.0170.06720.05
7.0.10.0000.06319.95
7.0.00.0100.05020.10
5.6.280.0100.06720.99
5.6.250.0100.04020.70
5.6.240.0070.03720.58
5.6.230.0070.04020.60
5.6.220.0030.04020.68
5.6.210.0070.05320.69
5.6.200.0070.08321.01
5.6.190.0000.09021.05
5.6.180.0030.07721.07
5.6.170.0130.07721.05
5.6.160.0100.08321.09
5.6.150.0100.08720.96
5.6.140.0100.07021.04
5.6.130.0070.05321.06
5.6.120.0100.08721.02
5.6.110.0130.04321.08
5.6.100.0100.03720.95
5.6.90.0130.07321.02
5.6.80.0130.07020.34
5.6.70.0170.05020.34
5.6.60.0100.06320.49
5.6.50.0170.07320.56
5.6.40.0030.09020.40
5.6.30.0070.07020.46
5.6.20.0100.07320.41
5.6.10.0100.07320.31
5.6.00.0100.06720.46
5.5.380.0100.03320.50
5.5.370.0070.05020.43
5.5.360.0070.04020.42
5.5.350.0100.03720.40
5.5.340.0030.08320.76
5.5.330.0070.07720.90
5.5.320.0030.09720.88
5.5.310.0130.07720.64
5.5.300.0030.05720.89
5.5.290.0170.08020.88
5.5.280.0000.05320.86
5.5.270.0070.08320.83
5.5.260.0170.07320.73
5.5.250.0070.08720.74
5.5.240.0100.06020.31
5.5.230.0030.08320.28
5.5.220.0100.04720.14
5.5.210.0030.04320.02
5.5.200.0100.07020.28
5.5.190.0070.08020.24
5.5.180.0170.07020.24
5.5.160.0100.04020.28
5.5.150.0100.04320.11
5.5.140.0200.08320.14
5.5.130.0100.08020.25
5.5.120.0130.07720.28
5.5.110.0030.04020.17
5.5.100.0130.07020.14
5.5.90.0130.07320.16
5.5.80.0030.08019.95
5.5.70.0100.04020.06
5.5.60.0170.05020.09
5.5.50.0200.06320.04
5.5.40.0030.07020.08
5.5.30.0070.04720.11
5.5.20.0130.07720.03
5.5.10.0170.07320.04
5.5.00.0130.07720.00
5.4.450.0070.07719.23
5.4.440.0030.06319.36
5.4.430.0130.07719.25
5.4.420.0070.07319.39
5.4.410.0100.07719.15
5.4.400.0100.03719.06
5.4.390.0130.05319.04
5.4.380.0030.09318.79
5.4.370.0100.06719.03
5.4.360.0130.07019.08
5.4.350.0070.07718.79
5.4.340.0130.06019.06
5.4.320.0000.06319.10
5.4.310.0000.05319.02
5.4.300.0070.07718.94
5.4.290.0100.04019.14
5.4.280.0070.07718.80
5.4.270.0100.05718.89
5.4.260.0070.03319.04
5.4.250.0130.04718.80
5.4.240.0100.05319.11
5.4.230.0070.05319.06
5.4.220.0130.07019.05
5.4.210.0030.08018.97
5.4.200.0030.06019.07
5.4.190.0030.05718.93
5.4.180.0030.05019.11
5.4.170.0070.06718.98
5.4.160.0070.04318.76
5.4.150.0100.08718.96
5.4.140.0100.07016.07
5.4.130.0070.08716.28
5.4.120.0070.06016.28
5.4.110.0030.07316.29
5.4.100.0100.07716.30
5.4.90.0070.06016.26
5.4.80.0070.07016.39
5.4.70.0070.05716.21
5.4.60.0100.07316.38
5.4.50.0000.05016.39
5.4.40.0100.07016.35
5.4.30.0030.06016.29
5.4.20.0030.08716.31
5.4.10.0030.04716.38
5.4.00.0100.08015.82
5.3.290.0130.06714.64
5.3.280.0100.07714.56
5.3.270.0130.04314.48
5.3.260.0070.07714.46
5.3.250.0100.07014.58
5.3.240.0030.06714.62
5.3.230.0100.05314.59
5.3.220.0070.07714.42
5.3.210.0030.04014.44
5.3.200.0170.06314.58
5.3.190.0000.05014.59
5.3.180.0070.07314.60
5.3.170.0200.06014.56
5.3.160.0070.08014.45
5.3.150.0070.07714.54
5.3.140.0070.04014.52
5.3.130.0130.07014.55
5.3.120.0030.08714.42
5.3.110.0070.07314.51
5.3.100.0130.06314.04
5.3.90.0100.06713.99
5.3.80.0130.03314.03
5.3.70.0070.04014.00
5.3.60.0070.03313.87
5.3.50.0070.06313.84
5.3.40.0100.03713.95
5.3.30.0030.07313.91
5.3.20.0070.06313.62
5.3.10.0070.04713.65
5.3.00.0000.08013.59
5.2.170.0070.05711.02
5.2.160.0100.04011.12
5.2.150.0030.05711.08
5.2.140.0030.05011.14
5.2.130.0000.05311.18
5.2.120.0030.05311.08
5.2.110.0030.04011.17
5.2.100.0000.05711.06
5.2.90.0030.06311.11
5.2.80.0000.03711.14
5.2.70.0130.05710.93
5.2.60.0030.03311.04
5.2.50.0070.06011.06
5.2.40.0070.02710.93
5.2.30.0100.04010.95
5.2.20.0070.03010.97
5.2.10.0070.03010.79
5.2.00.0100.06010.66
5.1.60.0030.03010.00
5.1.50.0000.0309.89
5.1.40.0000.04010.00
5.1.30.0000.03310.46
5.1.20.0030.05710.29
5.1.10.0100.04710.07
5.1.00.0000.05010.11
5.0.50.0000.0238.55
5.0.40.0000.0478.50
5.0.30.0000.0478.50
5.0.20.0070.0378.50
5.0.10.0030.0238.50
5.0.00.0000.0408.50
4.4.90.0130.0278.50
4.4.80.0070.0378.50
4.4.70.0000.0378.50
4.4.60.0000.0208.50
4.4.50.0000.0178.50
4.4.40.0030.0438.50
4.4.30.0030.0378.50
4.4.20.0000.0378.50
4.4.10.0000.0378.50
4.4.00.0000.0338.50
4.3.110.0000.0408.50
4.3.100.0000.0208.50
4.3.90.0030.0378.50
4.3.80.0070.0508.50
4.3.70.0070.0278.50
4.3.60.0030.0338.50
4.3.50.0030.0238.50
4.3.40.0070.0238.50
4.3.30.0030.0338.50
4.3.20.0030.0338.50
4.3.10.0000.0278.50
4.3.00.0000.0338.50

preferences:
43.84 ms | 401 KiB | 5 Q