3v4l.org

run code in 300+ PHP versions simultaneously
<?php $timer = microtime(1); ob_start(); for ($i=1;$i<=1000000;$i++) echo 'a'.'a'.'a'.'a'; ob_clean(); $timer = round(microtime(1) - $timer, 3); echo ', took: '.$timer. ' seconds'.PHP_EOL;

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)
7.3.10.0110.05122.50
7.3.00.0140.04822.30
7.2.130.0220.05122.75
7.2.120.0230.03722.80
7.2.110.0190.05422.61
7.2.100.0170.06022.61
7.2.90.0230.05622.87
7.2.80.0190.06222.67
7.2.70.0230.05422.93
7.2.60.0250.05722.67
7.2.50.0280.04922.75
7.2.40.0200.05722.61
7.2.30.0190.04822.62
7.2.20.0110.05722.38
7.2.10.0180.05522.33
7.2.00.0140.04623.84
7.1.250.0200.06721.57
7.1.70.0100.02322.77
7.1.60.0100.05723.21
7.1.50.0070.06622.78
7.1.00.0130.11328.25
7.0.200.0030.03522.83
7.0.140.0170.11028.12
7.0.100.1030.12327.28
7.0.90.0630.07327.15
7.0.80.0370.07327.16
7.0.70.0300.07327.13
7.0.60.0200.08727.07
7.0.50.0100.08027.52
7.0.40.0030.07323.79
7.0.30.0070.09323.71
7.0.20.0230.11023.73
7.0.10.0330.12023.68
7.0.00.0400.10723.75
5.6.280.0130.26024.84
5.6.250.0000.22724.37
5.6.240.0130.17324.41
5.6.230.0030.17724.46
5.6.220.0000.22024.36
5.6.210.0030.17324.34
5.6.200.0000.18024.91
5.6.190.0170.15724.88
5.6.180.0100.20324.81
5.6.170.0100.16724.82
5.6.160.0130.23024.79
5.6.150.0070.23024.73
5.6.140.0100.23024.70
5.6.130.0170.23024.72
5.6.120.0100.24024.80
5.6.110.0070.22724.71
5.6.100.0130.24024.79
5.6.90.0000.25024.86
5.6.80.0130.19724.20
5.6.70.0070.20724.19
5.6.60.0070.24024.08
5.6.50.0130.21724.17
5.6.40.0130.21324.16
5.6.30.0130.17024.21
5.6.20.0130.21324.14
5.6.10.0130.22724.20
5.6.00.0100.24024.13
5.5.380.0200.19324.34
5.5.370.0070.17724.16
5.5.360.0100.17024.21
5.5.350.0070.17724.16
5.5.340.0130.28724.50
5.5.330.0030.14324.57
5.5.320.0030.14324.60
5.5.310.0130.20724.66
5.5.300.0200.21724.55
5.5.290.0070.21324.54
5.5.280.0100.20024.53
5.5.270.0070.25024.57
5.5.260.0130.23724.56
5.5.250.0030.18324.47
5.5.240.0100.22024.07
5.5.230.0130.24024.01
5.5.220.0100.21024.03
5.5.210.0070.21723.97
5.5.200.0070.20723.86
5.5.190.0200.20023.81
5.5.180.0070.24323.95
5.5.160.0000.23724.02
5.5.150.0030.23024.03
5.5.140.0070.22324.00
5.5.130.0000.18324.04
5.5.120.0030.21723.92
5.5.110.0070.23724.00
5.5.100.0070.22023.85
5.5.90.0200.21323.93
5.5.80.0170.21323.87
5.5.70.0030.21023.87
5.5.60.0100.20723.82
5.5.50.0100.20323.87
5.5.40.0130.20723.70
5.5.30.0070.17323.82
5.5.20.0270.19723.83
5.5.10.0070.17323.77
5.5.00.0100.17723.77
5.4.450.0070.17322.98
5.4.440.0070.24323.03
5.4.430.0100.24323.02
5.4.420.0030.22323.06
5.4.410.0030.17022.90
5.4.400.0170.21022.76
5.4.390.0070.23022.57
5.4.380.0070.21322.86
5.4.370.0170.20322.71
5.4.360.0070.21022.76
5.4.350.0070.17022.74
5.4.340.0070.22722.76
5.4.320.0170.23722.50
5.4.310.0130.22722.76
5.4.300.0000.24022.67
5.4.290.0000.24022.49
5.4.280.0070.21022.70
5.4.270.0130.21022.92
5.4.260.0000.21722.80
5.4.250.0070.25022.79
5.4.240.0100.21722.63
5.4.230.0030.22022.70
5.4.220.0230.19322.66
5.4.210.0100.20322.75
5.4.200.0430.17022.84
5.4.190.0130.23722.72
5.4.180.0100.18722.79
5.4.170.0070.21722.84
5.4.160.0070.22722.80
5.4.150.0170.17722.47
5.4.140.0070.23020.14
5.4.130.0100.17720.51
5.4.120.0100.22320.11
5.4.110.0070.22020.01
5.4.100.0030.22019.92
5.4.90.0130.21020.15
5.4.80.0030.19020.05
5.4.70.0100.21720.10
5.4.60.0070.23020.08
5.4.50.0070.23320.15
5.4.40.0200.23020.04
5.4.30.0100.22719.92
5.4.20.0100.21719.95
5.4.10.0070.20020.11
5.4.00.0070.16319.48
5.3.290.0070.21718.68
5.3.280.0030.17318.50
5.3.270.0100.19718.61
5.3.260.0130.23318.57
5.3.250.0030.20318.54
5.3.240.0000.21718.58
5.3.230.0130.20018.60
5.3.220.0030.18318.55
5.3.210.0030.22018.51
5.3.200.0030.20718.44
5.3.190.0030.20318.48
5.3.180.0100.14318.47
5.3.170.0030.20718.56
5.3.160.0100.22718.42
5.3.150.0070.22718.52
5.3.140.0030.23318.46
5.3.130.0100.20718.54
5.3.120.0000.16018.40
5.3.110.0100.15718.51
5.3.100.0070.23017.80
5.3.90.0100.20018.02
5.3.80.0030.20717.89
5.3.70.0030.21317.82
5.3.60.0100.21317.80
5.3.50.0070.23717.79
5.3.40.0070.16317.75
5.3.30.0100.20017.79
5.3.20.0100.20017.50
5.3.10.0000.22317.50
5.3.00.0030.19317.49
5.2.170.0070.16015.06
5.2.160.0070.21315.14
5.2.150.0130.21315.01
5.2.140.0070.24714.88
5.2.130.0070.15715.04
5.2.120.0100.19715.05
5.2.110.0100.21014.94
5.2.100.0030.20314.95
5.2.90.0000.22015.04
5.2.80.0030.20715.03
5.2.70.0100.18715.08
5.2.60.0100.16315.00
5.2.50.0070.24315.49
5.2.40.0070.19014.93
5.2.30.0170.25014.81
5.2.20.0100.21714.94
5.2.10.0100.23314.83
5.2.00.0070.17014.70
5.1.60.0070.22313.66
5.1.50.0100.21013.71
5.1.40.0030.22713.71
5.1.30.0100.19013.89
5.1.20.0030.23013.97
5.1.10.0100.23013.54
5.1.00.0030.23313.44
5.0.50.0100.29712.24
5.0.40.0030.30311.97
5.0.30.0030.28011.78
5.0.20.0000.25711.93
5.0.10.0070.27711.96
5.0.00.0030.29711.89
4.4.90.0030.2779.55
4.4.80.0100.2839.52
4.4.70.0070.2339.60
4.4.60.0030.2679.57
4.4.50.0000.2909.56
4.4.40.0030.2809.52
4.4.30.0070.3079.55
4.4.20.0000.2639.71
4.4.10.0030.3039.67
4.4.00.0130.2939.67
4.3.110.0030.3079.39
4.3.100.0070.2909.39
4.3.90.0030.2739.36
4.3.80.0030.2379.36
4.3.70.0030.2979.36
4.3.60.0030.2739.54
4.3.50.0000.2879.65
4.3.40.0000.3239.42
4.3.30.0000.2978.25
4.3.20.0030.2938.30
4.3.10.0070.2638.34
4.3.00.0070.2938.27

preferences:
37.32 ms | 401 KiB | 5 Q