3v4l.org

run code in 300+ PHP versions simultaneously
<?php print chr( mt_rand( 97 ,122 ) ) .substr( md5( microtime( ) ) ,1 );

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)
7.3.10.0080.00416.34
7.3.00.0130.00016.43
7.2.130.0030.01016.94
7.2.120.0090.00616.84
7.2.110.0120.00616.82
7.2.100.0140.00016.49
7.2.90.0120.00016.73
7.2.80.0060.00616.89
7.2.70.0090.00316.90
7.2.60.0030.00816.88
7.2.50.0100.00616.77
7.2.40.0030.00916.88
7.2.30.0060.00616.62
7.2.20.0100.00316.77
7.2.10.0070.00316.88
7.2.00.0060.00616.93
7.1.250.0070.01015.71
7.1.70.0040.00717.16
7.1.60.0000.01017.20
7.1.50.0190.01316.88
7.1.00.0070.07022.54
7.0.200.0030.01216.66
7.0.140.0100.06722.01
7.0.60.0070.06319.90
7.0.50.0070.06317.72
7.0.40.0100.07719.98
7.0.30.0300.07020.01
7.0.20.0200.03720.30
7.0.10.0100.08720.20
7.0.00.0070.05720.18
5.6.280.0030.07021.09
5.6.210.0070.07020.65
5.6.200.0000.04318.21
5.6.190.0100.04320.26
5.6.180.3670.03720.41
5.6.170.0200.05720.50
5.6.160.0070.08320.56
5.6.150.0100.04018.22
5.6.140.0070.03718.22
5.6.130.0070.08318.18
5.6.120.0170.04720.89
5.6.110.0300.07020.98
5.6.100.0100.07321.02
5.6.90.0170.08020.96
5.6.80.0070.05020.50
5.6.70.4570.03020.27
5.5.350.0300.06020.37
5.5.340.0100.08317.98
5.5.330.0070.08020.36
5.5.320.3400.04720.50
5.5.310.0100.04320.31
5.5.300.0070.08017.96
5.5.290.0030.08017.87
5.5.280.0130.07320.97
5.5.270.0070.07020.72
5.5.260.0030.08320.75
5.5.250.0030.05320.70
5.5.240.0200.08320.14
5.4.450.0130.05719.48
5.4.440.0200.05019.41
5.4.430.0100.05719.57
5.4.420.0200.04719.48
5.4.410.0130.05318.97
5.4.400.0130.04718.77
5.4.390.0100.05018.80
5.4.380.0200.05718.72
5.4.370.0300.05318.64
5.4.360.0300.05018.72
5.4.350.0230.05718.77
5.4.340.0300.04318.60
5.4.320.0110.04212.46
5.4.310.0050.04512.45
5.4.300.0040.03812.46
5.4.290.0050.04512.45
5.4.280.0070.03912.35
5.4.270.0230.04018.85
5.4.260.0230.05318.77
5.4.250.0270.04019.00
5.4.240.0100.05318.98
5.4.230.0070.06718.98
5.4.220.0100.05319.01
5.4.210.0170.06018.94
5.4.200.0130.05718.94
5.4.190.0130.06018.84
5.4.180.0200.06719.00
5.4.170.0100.05718.78
5.4.160.0170.06318.90
5.4.150.0170.04719.00
5.4.140.0200.06316.54
5.4.130.0170.04016.38
5.4.120.0200.07316.38
5.4.110.0130.04716.36
5.4.100.0170.05016.36
5.4.90.0130.07016.36
5.4.80.0070.05316.35
5.4.70.0100.04716.39
5.4.60.0030.05316.58
5.4.50.0130.06716.33
5.4.40.0130.05016.55
5.4.30.0100.05316.48
5.4.20.0070.05316.34
5.4.10.0170.05716.48
5.4.00.0030.06315.99
5.3.290.0040.04012.80
5.3.280.0200.04014.71
5.3.270.0170.04714.70
5.3.260.0130.05314.53
5.3.250.0070.05314.41
5.3.240.0100.08014.76
5.3.230.0130.05714.70
5.3.220.0170.06714.65
5.3.210.0070.05314.73
5.3.200.0170.07314.70
5.3.190.0130.05714.67
5.3.180.0130.04714.75
5.3.170.0170.06714.54
5.3.160.0070.06014.60
5.3.150.0130.04714.70
5.3.140.0130.04714.69
5.3.130.0070.06314.55
5.3.120.0130.04714.35
5.3.110.0170.05014.65
5.3.100.0200.05014.01
5.3.90.0100.06314.05
5.3.80.0030.06714.00
5.3.70.0130.04714.17
5.3.60.0270.06014.14
5.3.50.0170.04314.11
5.3.40.0170.04013.99
5.3.30.0030.05014.04
5.3.20.0100.04313.82
5.3.10.0130.04013.73
5.3.00.0070.05313.79
5.2.170.0030.04311.33
5.2.160.0100.04011.37
5.2.150.0100.04311.29
5.2.140.0170.04311.24
5.2.130.0100.04011.21
5.2.120.0100.04311.25
5.2.110.0100.03711.04
5.2.100.0070.04310.91
5.2.90.0030.05011.29
5.2.80.0030.06311.07
5.2.70.0000.05311.07
5.2.60.0100.03710.98
5.2.50.0070.05311.16
5.2.40.0030.04711.10
5.2.30.0200.02711.08
5.2.20.0030.04311.00
5.2.10.0070.05311.03
5.2.00.0070.04310.90
5.1.60.0070.03710.27
5.1.50.0070.03010.14
5.1.40.0100.02710.05
5.1.30.0100.03310.59
5.1.20.0030.04010.56
5.1.10.0100.03710.25
5.1.00.0030.04010.32
5.0.50.0100.0238.80
5.0.40.0030.0278.60
5.0.30.0000.0478.43
5.0.20.0100.0308.39
5.0.10.0100.0278.47
5.0.00.0070.0408.20
4.4.90.0030.0237.61
4.4.80.0000.0237.61
4.4.70.0000.0337.61
4.4.60.0030.0207.61
4.4.50.0000.0277.61
4.4.40.0000.0407.61
4.4.30.0030.0237.61
4.4.20.0100.0237.61
4.4.10.0000.0277.61
4.4.00.0030.0407.61
4.3.110.0070.0177.61
4.3.100.0100.0207.61
4.3.90.0000.0237.61
4.3.80.0030.0307.61
4.3.70.0030.0277.61
4.3.60.0100.0237.61
4.3.50.0030.0207.61
4.3.40.0000.0337.61
4.3.30.0030.0207.61
4.3.20.0000.0237.61
4.3.10.0000.0237.61
4.3.00.0200.0206.66

preferences:
43.03 ms | 401 KiB | 5 Q