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)
7.4.00.0110.00715.21
7.3.120.0000.01915.04
7.3.110.0090.00914.88
7.3.100.0090.00615.07
7.3.90.0040.00815.04
7.3.80.0030.01415.03
7.3.70.0100.00614.91
7.3.60.0120.00314.96
7.3.50.0140.00314.99
7.3.40.0040.00814.99
7.3.30.0060.01014.74
7.3.20.0090.00916.32
7.3.10.0090.00616.42
7.3.00.0100.00316.69
7.2.250.0130.00014.92
7.2.240.0090.01214.99
7.2.230.0040.01114.87
7.2.220.0070.00715.11
7.2.210.0060.00614.90
7.2.200.0130.00315.02
7.2.190.0000.01715.00
7.2.180.0090.00315.21
7.2.170.0090.00614.96
7.2.00.0080.00819.36
7.1.330.0120.00615.68
7.1.320.0080.00815.79
7.1.310.0130.00315.85
7.1.300.0000.00915.80
7.1.290.0100.00616.00
7.1.280.0060.00915.59
7.1.270.0030.01315.80
7.1.260.0030.01615.99
7.1.70.0040.01117.30
7.1.60.0120.00919.70
7.1.50.0130.01317.17
7.1.00.0070.07722.36
7.0.200.0000.00816.94
7.0.140.0070.07021.99
7.0.100.0030.04319.98
7.0.90.0030.08019.91
7.0.80.0030.06021.82
7.0.70.0130.06321.72
7.0.60.0070.03721.68
7.0.50.0000.04722.06
7.0.40.0030.04019.94
7.0.30.0000.04719.95
7.0.20.0070.04720.15
7.0.10.0030.05320.10
7.0.00.0000.04320.18
5.6.280.0030.07321.08
5.6.250.0130.03320.64
5.6.240.0000.04320.61
5.6.230.0030.07020.67
5.6.220.0000.05320.65
5.6.210.0030.04020.67
5.6.200.0030.05321.12
5.6.190.0030.04321.09
5.6.180.0000.04720.93
5.6.170.0030.04320.96
5.6.160.0100.06021.18
5.6.150.0000.04320.93
5.6.140.0070.08021.02
5.6.130.0130.06321.14
5.6.120.0100.07721.05
5.6.110.0100.08021.02
5.6.100.0030.08021.07
5.6.90.0070.07321.03
5.6.80.0070.08020.49
5.6.70.0100.04720.39
5.6.60.0000.08320.42
5.6.50.0200.06720.56
5.6.40.0100.07320.54
5.6.30.0130.07020.34
5.6.20.0000.08020.41
5.6.10.0030.07020.38
5.6.00.0100.06720.36
5.5.380.0030.05320.43
5.5.370.0070.03720.52
5.5.360.0070.06020.41
5.5.350.0030.05020.47
5.5.340.0030.05020.84
5.5.330.0000.04320.81
5.5.320.0030.04020.88
5.5.310.0130.03720.87
5.5.300.0070.05020.80
5.5.290.0130.07020.84
5.5.280.0030.05020.81
5.5.270.0000.06020.76
5.5.260.0100.07720.79
5.5.250.0030.07020.70
5.5.240.0070.05720.31
5.5.230.0070.09020.29
5.5.220.0030.08320.25
5.5.210.0130.06720.15
5.5.200.0170.07020.09
5.5.190.0100.06020.16
5.5.180.0100.07720.26
5.5.160.0030.08320.23
5.5.150.0070.08020.21
5.5.140.0070.07320.19
5.5.130.0070.07320.11
5.5.120.0130.05020.18
5.5.110.0200.06720.11
5.5.100.0100.07320.22
5.5.90.0100.07020.13
5.5.80.0100.06719.95
5.5.70.0070.08020.06
5.5.60.0070.07720.13
5.5.50.0100.06320.09
5.5.40.0130.07020.15
5.5.30.0070.06020.03
5.5.20.0030.07320.10
5.5.10.0000.08319.96
5.5.00.0170.07020.14
5.4.450.0100.07719.16
5.4.440.0030.08319.31
5.4.430.0100.07719.29
5.4.420.0000.08719.42
5.4.410.0030.08019.36
5.4.400.0030.07718.97
5.4.390.0070.07018.91
5.4.380.0200.06018.81
5.4.370.0000.06019.23
5.4.360.0070.08318.82
5.4.350.0070.07718.95
5.4.340.0030.08318.82
5.4.320.0070.07719.14
5.4.310.0100.07019.03
5.4.300.0030.07719.23
5.4.290.0030.07319.12
5.4.280.0070.05719.09
5.4.270.0030.06319.14
5.4.260.0100.07319.06
5.4.250.0070.04718.96
5.4.240.0170.06318.94
5.4.230.0130.07019.14
5.4.220.0030.07718.78
5.4.210.0070.07019.03
5.4.200.0030.08019.12
5.4.190.0100.07719.05
5.4.180.0100.06319.09
5.4.170.0100.07018.89
5.4.160.0130.04018.88
5.4.150.0070.08018.88
5.4.140.0100.04016.07
5.4.130.0070.07316.38
5.4.120.0100.04316.34
5.4.110.0130.04316.27
5.4.100.0030.07316.39
5.4.90.0100.07016.45
5.4.80.0030.07316.31
5.4.70.0000.07716.25
5.4.60.0000.07716.25
5.4.50.0130.04716.32
5.4.40.0070.07316.32
5.4.30.0030.04016.36
5.4.20.0030.07716.24
5.4.10.0070.07316.20
5.4.00.0000.07715.73
5.3.290.0000.08014.54
5.3.280.0070.07714.57
5.3.270.0070.07014.57
5.3.260.0030.07714.47
5.3.250.0130.07014.59
5.3.240.0130.06014.61
5.3.230.0100.07314.56
5.3.220.0030.07714.58
5.3.210.0000.08014.58
5.3.200.0100.07314.57
5.3.190.0070.08014.59
5.3.180.0030.07714.53
5.3.170.0130.05014.57
5.3.160.0100.07314.53
5.3.150.0070.07314.58
5.3.140.0130.06314.54
5.3.130.0030.08014.43
5.3.120.0070.05314.47
5.3.110.0070.08014.53
5.3.100.0070.07713.90
5.3.90.0100.04713.97
5.3.80.0070.07714.04
5.3.70.0030.08013.98
5.3.60.0100.07013.99
5.3.50.0130.07013.82
5.3.40.0070.07313.73
5.3.30.0070.07313.92
5.3.20.0100.06013.71
5.3.10.0130.06713.61
5.3.00.0100.07013.44
5.2.170.0030.06711.15
5.2.160.0030.05311.13
5.2.150.0030.06711.23
5.2.140.0030.06310.98
5.2.130.0030.06711.08
5.2.120.0100.06011.13
5.2.110.0070.06011.04
5.2.100.0070.06311.07
5.2.90.0130.05310.96
5.2.80.0100.05310.98
5.2.70.0030.06011.15
5.2.60.0100.05311.12
5.2.50.0000.05710.91
5.2.40.0030.06310.80
5.2.30.0030.05010.91
5.2.20.0100.06010.97
5.2.10.0070.04710.88
5.2.00.0100.05310.72
5.1.60.0100.04010.14
5.1.50.0070.05010.04
5.1.40.0030.05310.00
5.1.30.0100.05310.36
5.1.20.0070.05710.39
5.1.10.0070.04310.08
5.1.00.0000.0379.92
5.0.50.0100.0478.56
5.0.40.0030.0438.42
5.0.30.0030.0608.30
5.0.20.0000.0378.21
5.0.10.0070.0338.28
5.0.00.0000.0408.08
4.4.90.0000.0407.97
4.4.80.0000.0377.97
4.4.70.0000.0407.97
4.4.60.0100.0307.97
4.4.50.0030.0377.97
4.4.40.0100.0507.97
4.4.30.0000.0377.97
4.4.20.0030.0307.97
4.4.10.0000.0377.97
4.4.00.0030.0537.97
4.3.110.0130.0237.97
4.3.100.0000.0207.97
4.3.90.0100.0307.97
4.3.80.0070.0507.97
4.3.70.0000.0377.97
4.3.60.0030.0307.97
4.3.50.0030.0377.97
4.3.40.0070.0437.97
4.3.30.0030.0307.97
4.3.20.0030.0377.97
4.3.10.0000.0407.97
4.3.00.0070.0307.97

preferences:
38.29 ms | 401 KiB | 5 Q