3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars = array(); $var = 'abc'; for($i = 0; $i< 10000; $i++){ $vars[] = $var; } echo round(memory_get_usage()/1024, 2), 'KB';

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)
7.2.00.0000.01618.98
7.1.70.0000.01017.29
7.1.60.0070.01619.40
7.1.50.0040.01516.86
7.1.00.0070.05322.37
7.0.200.0030.01015.27
7.0.140.0030.07321.92
7.0.120.0170.05722.04
7.0.60.0130.06320.30
7.0.50.0030.05318.15
7.0.40.0070.09019.90
7.0.30.0300.08020.33
7.0.20.0430.07020.16
7.0.10.0070.08320.33
7.0.00.0130.07720.16
5.6.210.0030.08321.31
5.6.200.0070.06318.94
5.6.190.0130.08321.13
5.6.180.0470.04321.02
5.6.170.0370.07721.21
5.6.160.0030.05321.01
5.6.150.0070.04018.80
5.6.140.0130.05318.91
5.6.130.0100.04018.88
5.6.120.0100.08021.81
5.6.110.0000.08021.78
5.6.100.0100.08321.75
5.6.90.0070.04021.86
5.6.80.0070.06021.14
5.5.350.0030.08721.18
5.5.340.0100.08018.73
5.5.330.0100.08021.03
5.5.320.0300.07020.94
5.5.310.0230.05020.84
5.5.300.0030.09018.68
5.5.290.0100.07718.70
5.5.280.0130.07721.65
5.5.270.0000.04321.42
5.5.260.0130.07321.63
5.5.250.0100.07721.34
5.5.240.0200.07720.88
5.4.450.0130.06720.12
5.4.440.0130.04719.93
5.4.430.0070.06720.18
5.4.420.0130.06319.89
5.4.410.0100.07019.70
5.4.400.0000.05319.85
5.4.390.0030.06719.87
5.4.380.0030.05019.49
5.4.370.0200.06019.70
5.4.360.0070.05019.78
5.4.350.0030.04719.79
5.4.340.0070.07019.83
5.4.320.0000.05319.48
5.4.310.0130.05019.49
5.4.300.0030.04019.87
5.4.290.0030.08019.87
5.4.280.0270.04019.63
5.4.270.0130.06019.49
5.4.260.0070.05019.86
5.4.250.0100.06019.48
5.4.240.0070.05719.63
5.4.230.0100.06019.66
5.4.220.0070.05319.70
5.4.210.0030.05319.85
5.4.200.0070.03719.86
5.4.190.0070.08019.68
5.4.180.0030.04019.82
5.4.170.0100.07719.71
5.4.160.0130.05319.70
5.4.150.0070.08019.84
5.4.140.0070.04316.98
5.4.130.0030.04316.98
5.4.120.0100.04717.00
5.4.110.0100.07317.11
5.4.100.0070.04717.07
5.4.90.0070.04717.16
5.4.80.0070.06317.02
5.4.70.0100.07016.91
5.4.60.0130.06017.12
5.4.50.0030.04717.12
5.4.40.0030.04717.00
5.4.30.0100.07016.94
5.4.20.0070.07317.07
5.4.10.0030.06017.14
5.4.00.0130.07016.54
5.3.290.0000.07315.38
5.3.280.0030.05015.34
5.3.270.0070.08315.43
5.3.260.0100.07715.23
5.3.250.0070.07015.32
5.3.240.0070.03315.33
5.3.230.0000.05015.38
5.3.220.0070.07715.53
5.3.210.0030.07315.39
5.3.200.0100.05315.27
5.3.190.0100.07315.36
5.3.180.0030.04015.28
5.3.170.0170.05015.30
5.3.160.0030.05315.19
5.3.150.0030.06715.29
5.3.140.0030.08315.27
5.3.130.0100.04315.18
5.3.120.0100.03315.28
5.3.110.0000.04715.37
5.3.100.0070.08014.74
5.3.90.0170.07014.80
5.3.80.0170.06314.70
5.3.70.0000.05314.64
5.3.60.0030.04014.65
5.3.50.0100.07014.69
5.3.40.0030.06714.60
5.3.30.0030.03714.58
5.3.20.0100.06014.42
5.3.10.0000.05314.30
5.3.00.0200.06714.30
5.2.170.0070.06711.81
5.2.160.0030.03011.66
5.2.150.0070.03011.89
5.2.140.0030.04011.73
5.2.130.0070.06011.75
5.2.120.0070.05711.76
5.2.110.0000.04311.70
5.2.100.0070.04711.85
5.2.90.0170.05311.61
5.2.80.0000.04711.77
5.2.70.0130.04711.67
5.2.60.0030.03312.01
5.2.50.0070.02711.59
5.2.40.0000.06711.71
5.2.30.0070.03711.57
5.2.20.0000.06311.48
5.2.10.0130.05311.57
5.2.00.0030.06011.26
5.1.60.0030.02711.03
5.1.50.0000.03010.89
5.1.40.0070.02310.98
5.1.30.0070.06011.24
5.1.20.0100.02011.40
5.1.10.0030.02711.12
5.1.00.0000.03010.97
5.0.50.0000.0279.60
5.0.40.0000.0479.52
5.0.30.0000.0339.43
5.0.20.0030.0439.27
5.0.10.0030.0339.19
5.0.00.0070.0379.21
4.4.90.0070.0177.74
4.4.80.0000.0337.74
4.4.70.0100.0337.74
4.4.60.0070.0337.74
4.4.50.0000.0307.74
4.4.40.0000.0407.74
4.4.30.0030.0177.74
4.4.20.0030.0177.74
4.4.10.0000.0207.74
4.4.00.0000.0637.74
4.3.110.0100.0307.74
4.3.100.0000.0207.74
4.3.90.0030.0377.74
4.3.80.0000.0277.74
4.3.70.0000.0277.74
4.3.60.0000.0437.74
4.3.50.0000.0307.74
4.3.40.0000.0337.74
4.3.30.0000.0407.74
4.3.20.0070.0377.74
4.3.10.0030.0207.74
4.3.00.0030.0307.74

preferences:
35.09 ms | 401 KiB | 5 Q