3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = [0, 0, 0, 0];for($i = 0; $i < 50; ++$i){ $k = 0; $t = microtime(true); $x = 0; for($j = 0; $j < 100; ++$j) ++$x; $time[$k++] += microtime(true) - $t; $t = microtime(true); $x = 0; for($j = 0; $j < 100; ++$j) $x++; $time[$k++] += microtime(true) - $t; $t = microtime(true); $x = 0; for($j = 0; $j < 100; ++$j) $x += 1; $time[$k++] += microtime(true) - $t; $t = microtime(true); $x = 0; for($j = 0; $j < 100; ++$j) $x = $x + 1; $time[$k++] += microtime(true) - $t; } echo '++$x: ', $time[0] * 1000, 'ms<br />'; echo '$x++: ', $time[1] * 1000, 'ms<br />'; echo '$x += 1: ', $time[2] * 1000, 'ms<br />'; echo '$x = $x + 1: ', $time[3] * 1000, 'ms<br />';

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)
7.2.00.0040.00419.26
7.1.70.0000.00817.29
7.1.60.0100.01419.40
7.1.50.0130.01017.01
7.1.00.0030.07722.54
7.0.200.0070.00416.63
7.0.140.0030.07321.90
7.0.100.0100.08319.97
7.0.90.0130.07019.96
7.0.80.0130.07319.96
7.0.70.0100.08319.91
7.0.60.0170.07019.81
7.0.50.0100.05720.30
7.0.40.0170.07720.01
7.0.30.0170.06320.09
7.0.20.0070.08720.14
7.0.10.0030.06320.14
7.0.00.0100.08720.08
5.6.280.0070.07321.07
5.6.250.0030.08320.66
5.6.240.0030.08020.60
5.6.230.0100.07720.66
5.6.220.0030.09020.60
5.6.210.0100.08020.55
5.6.200.0130.08021.05
5.6.190.0070.08021.14
5.6.180.0070.07020.95
5.6.170.0200.07020.96
5.6.160.0100.07721.14
5.6.150.0130.07721.18
5.6.140.0130.08020.96
5.6.130.0100.08021.07
5.6.120.0100.08021.07
5.6.110.0170.07721.08
5.6.100.0030.08021.13
5.6.90.0070.09021.03
5.6.80.0100.04720.40
5.6.70.0130.07720.40
5.6.60.0030.08020.38
5.6.50.0130.06720.47
5.6.40.0130.04720.31
5.6.30.0070.08020.41
5.6.20.0000.08720.54
5.6.10.0130.07020.45
5.6.00.0170.07020.46
5.5.380.0130.07020.54
5.5.370.0070.08020.34
5.5.360.0130.07320.39
5.5.350.0130.08020.39
5.5.340.0100.08320.80
5.5.330.0030.06020.84
5.5.320.0030.05020.80
5.5.310.0030.08720.89
5.5.300.0130.08020.91
5.5.290.0070.07320.93
5.5.280.0070.09320.75
5.5.270.0070.08720.85
5.5.260.0100.08020.86
5.5.250.0200.07320.69
5.5.240.0100.08020.12
5.5.230.0100.06720.30
5.5.220.0100.07720.18
5.5.210.0030.08020.25
5.5.200.0130.06020.23
5.5.190.0130.07020.23
5.5.180.0100.07720.23
5.5.160.0100.08320.24
5.5.150.0130.06020.27
5.5.140.0070.09720.21
5.5.130.0100.09020.13
5.5.120.0100.07720.28
5.5.110.0100.07020.28
5.5.100.0070.08020.12
5.5.90.0130.06720.10
5.5.80.0100.07320.07
5.5.70.0100.06320.07
5.5.60.0070.07720.09
5.5.50.0070.07719.96
5.5.40.0200.07320.06
5.5.30.0030.08019.96
5.5.20.0070.08320.15
5.5.10.0030.07720.10
5.5.00.0030.04720.04
5.4.450.0070.07319.14
5.4.440.0070.04719.43
5.4.430.0130.07319.36
5.4.420.0100.08019.42
5.4.410.0200.07719.25
5.4.400.0000.08719.04
5.4.390.0030.08019.03
5.4.380.0130.07019.23
5.4.370.0100.07319.06
5.4.360.0030.08319.12
5.4.350.0230.06019.10
5.4.340.0100.05319.12
5.4.320.0100.07018.98
5.4.310.0100.08019.04
5.4.300.0070.08019.04
5.4.290.0200.07019.06
5.4.280.0100.06018.99
5.4.270.0070.07318.89
5.4.260.0170.07019.05
5.4.250.0100.07318.89
5.4.240.0070.07719.22
5.4.230.0070.07318.81
5.4.220.0030.08318.98
5.4.210.0070.04719.11
5.4.200.0100.07719.09
5.4.190.0000.07319.22
5.4.180.0100.07019.06
5.4.170.0070.06719.09
5.4.160.0170.06319.01
5.4.150.0030.05319.09
5.4.140.0030.05016.23
5.4.130.0130.06316.30
5.4.120.0070.07316.00
5.4.110.0070.07016.27
5.4.100.0070.06316.35
5.4.90.0100.07016.41
5.4.80.0070.06716.33
5.4.70.0100.07016.35
5.4.60.0030.07716.24
5.4.50.0100.07316.28
5.4.40.0200.07316.45
5.4.30.0100.06716.38
5.4.20.0070.06716.23
5.4.10.0130.05716.23
5.4.00.0070.05015.66
5.3.290.0100.07714.66
5.3.280.0100.03314.56
5.3.270.0100.07314.60
5.3.260.0030.07314.46
5.3.250.0000.05714.58
5.3.240.0030.07714.60
5.3.230.0000.07014.56
5.3.220.0070.06714.57
5.3.210.0130.07314.54
5.3.200.0100.07014.57
5.3.190.0070.06014.53
5.3.180.0030.07714.54
5.3.170.0070.06714.51
5.3.160.0130.07014.43
5.3.150.0070.07314.50
5.3.140.0170.06314.46
5.3.130.0100.07314.52
5.3.120.0100.07014.51
5.3.110.0070.07314.49
5.3.100.0070.07313.90
5.3.90.0070.07313.93
5.3.80.0170.06313.98
5.3.70.0070.06314.00
5.3.60.0030.03713.98
5.3.50.0100.06713.94
5.3.40.0100.07713.80
5.3.30.0030.06013.90
5.3.20.0030.07713.65
5.3.10.0100.07013.62
5.3.00.0130.07013.54
5.2.170.0070.03311.06
5.2.160.0030.06311.13
5.2.150.0100.05711.17
5.2.140.0030.04011.05
5.2.130.0070.05711.08
5.2.120.0070.04711.11
5.2.110.0130.05311.05
5.2.100.0070.05310.95
5.2.90.0070.05711.12
5.2.80.0070.06010.96
5.2.70.0000.06310.96
5.2.60.0100.05710.91
5.2.50.0100.05711.01
5.2.40.0070.05311.06
5.2.30.0030.06010.84
5.2.20.0070.05310.98
5.2.10.0070.05010.91
5.2.00.0030.03310.57
5.1.60.0070.0439.86
5.1.50.0070.0439.99
5.1.40.0000.0509.97
5.1.30.0030.05710.41
5.1.20.0030.05710.27
5.1.10.0030.0509.94
5.1.00.0030.03310.08
5.0.50.0030.0438.55
5.0.40.0000.0478.49
5.0.30.0070.0578.16
5.0.20.0030.0338.31
5.0.10.0030.0478.27
5.0.00.0030.0608.16
4.4.90.0000.0338.16
4.4.80.0000.0408.16
4.4.70.0000.0208.16
4.4.60.0100.0278.16
4.4.50.0030.0208.16
4.4.40.0000.0538.16
4.4.30.0000.0378.16
4.4.20.0000.0238.16
4.4.10.0070.0308.16
4.4.00.0000.0438.16
4.3.110.0030.0338.16
4.3.100.0000.0208.16
4.3.90.0070.0308.16
4.3.80.0000.0508.16
4.3.70.0070.0308.16
4.3.60.0130.0178.16
4.3.50.0030.0308.16
4.3.40.0000.0408.16
4.3.30.0000.0378.16
4.3.20.0000.0408.16
4.3.10.0000.0208.16
4.3.00.0000.0338.16

preferences:
39.34 ms | 401 KiB | 5 Q