3v4l.org

run code in 300+ PHP versions simultaneously
<?php function id($n=6) { $c = 'abcdefghijklmnopqrstuvwxyz0123456789'; for ($x=0,$r=null;$x<$n;$x++) { $r .= $c[mt_rand(0, srtlen($c) - 1)]; } return $r; } echo id();

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)
7.4.10.0070.01114.98
7.4.00.0140.00014.78
7.3.130.0070.01314.84
7.3.120.0070.01014.86
7.3.110.0090.00614.81
7.3.100.0060.00914.46
7.3.90.0140.00415.04
7.3.80.0080.00014.68
7.3.70.0070.00714.64
7.3.60.0060.00314.84
7.3.50.0000.01714.66
7.3.40.0070.01014.61
7.3.30.0060.00314.69
7.3.20.0080.00416.59
7.3.10.0070.00716.73
7.3.00.0060.01216.68
7.2.260.0060.01214.54
7.2.250.0060.01014.86
7.2.240.0000.01414.77
7.2.230.0130.00315.11
7.2.220.0030.01014.60
7.2.210.0060.01014.93
7.2.200.0070.00715.11
7.2.190.0080.00415.04
7.2.180.0120.00614.59
7.2.170.0070.01114.88
7.2.160.0070.00715.01
7.2.150.0140.00016.75
7.2.140.0090.00616.79
7.2.130.0030.01216.85
7.2.120.0030.01016.64
7.2.110.0080.00416.81
7.2.100.0070.01116.77
7.2.90.0060.00916.59
7.2.80.0030.00616.79
7.2.70.0090.00916.84
7.2.60.0000.01616.78
7.2.50.0110.01116.43
7.2.40.0040.01616.76
7.2.30.0070.01116.84
7.2.20.0090.00616.81
7.2.10.0090.00616.81
7.2.00.0060.00517.94
7.1.330.0040.01115.74
7.1.320.0000.01115.42
7.1.310.0080.00815.48
7.1.300.0040.00715.59
7.1.290.0050.00915.45
7.1.280.0030.00615.41
7.1.270.0100.00315.64
7.1.260.0000.01415.75
7.1.250.0000.01715.80
7.1.240.0000.00815.64
7.1.230.0070.00715.63
7.1.220.0070.00315.64
7.1.210.0060.00915.54
7.1.200.0030.01315.32
7.1.190.0030.01015.71
7.1.180.0040.00415.73
7.1.170.0040.01215.45
7.1.160.0000.01515.37
7.1.150.0030.01015.61
7.1.140.0130.00015.70
7.1.130.0060.00915.70
7.1.120.0040.00715.65
7.1.110.0000.01115.72
7.1.100.0030.01215.71
7.1.90.0030.01415.75
7.1.80.0070.00715.77
7.1.70.0050.00716.45
7.1.60.0050.01016.37
7.1.50.0100.00516.06
7.1.40.0040.01116.19
7.1.30.0030.01316.05
7.1.20.0060.01116.23
7.1.10.0010.00916.13
7.1.00.0010.00816.16
7.0.330.0040.01115.32
7.0.320.0000.01315.03
7.0.310.0060.00915.31
7.0.300.0040.00415.24
7.0.290.0100.00315.43
7.0.280.0030.00715.04
7.0.270.0080.00515.29
7.0.260.0030.00615.09
7.0.250.0040.00815.37
7.0.240.0080.00415.14
7.0.230.0100.00315.31
7.0.220.0070.01015.29
7.0.210.0030.00715.48
7.0.200.0070.00615.79
7.0.190.0040.00715.85
7.0.180.0040.00915.88
7.0.170.0070.00915.81
7.0.160.0020.00915.81
7.0.150.0010.01015.88
7.0.140.0040.00715.84
7.0.130.0020.00915.88
7.0.120.0020.00816.04
7.0.110.0060.00515.86
7.0.100.0030.00915.72
7.0.90.0020.01015.90
7.0.80.0000.01115.83
7.0.70.0060.00515.95
7.0.60.0070.00515.69
7.0.50.0090.00415.81
7.0.40.0070.00914.08
7.0.30.0040.00914.09
7.0.20.0010.00814.29
7.0.10.0060.01014.21
7.0.00.0020.01214.09
5.6.400.0140.00014.12
5.6.390.0060.01014.37
5.6.380.0040.01214.32
5.6.370.0000.01714.35
5.6.360.0040.00814.48
5.6.350.0060.01214.58
5.6.340.0090.00614.02
5.6.330.0060.00613.93
5.6.320.0040.00713.93
5.6.310.0060.00614.53
5.6.300.0050.03617.43
5.6.290.0070.03017.57
5.6.280.0030.02617.56
5.6.270.0050.03117.76
5.6.260.0080.02017.57
5.6.250.0040.02717.56
5.6.240.0050.02617.59
5.6.230.0080.02317.47
5.6.220.0020.03217.47
5.6.210.0030.02817.78
5.6.200.0050.02917.62
5.6.190.0020.03117.53
5.6.180.0040.03017.45
5.6.170.0040.02517.57
5.6.160.0080.03317.38
5.6.150.0090.03217.52
5.6.140.0060.02517.52
5.6.130.0080.02517.59
5.6.120.0030.03017.60
5.6.110.0050.02717.46
5.6.100.0050.02417.45
5.6.90.0050.02417.45
5.6.80.0020.03117.18
5.6.70.0040.02517.19
5.6.60.0030.02717.29
5.6.50.0060.02217.11
5.6.40.0080.02417.39
5.6.30.0020.04417.32
5.6.20.0050.02217.31
5.6.10.0030.03017.38
5.6.00.0120.02117.11
5.5.380.0080.02415.60
5.5.370.0060.04715.77
5.5.360.0050.03015.58
5.5.350.0020.02715.71
5.5.340.0020.02515.88
5.5.330.0040.02416.07
5.5.320.0030.03216.01
5.5.310.0070.02516.07
5.5.300.0070.02115.97
5.5.290.0040.02615.98
5.5.280.0120.01615.99
5.5.270.0080.02515.66
5.5.260.0050.02815.86
5.5.250.0070.02715.76
5.5.240.0040.02115.58
5.5.230.0050.03115.66
5.5.220.0080.03615.37
5.5.210.0070.02115.67
5.5.200.0060.02115.59
5.5.190.0080.02215.42
5.5.180.0080.02315.54
5.5.170.0090.00514.04
5.5.160.0050.02415.53
5.5.150.0110.02315.42
5.5.140.0120.01815.52
5.5.130.0050.02415.59
5.5.120.0140.02315.51
5.5.110.0080.02015.55
5.5.100.0020.02715.25
5.5.90.0020.02915.42
5.5.80.0060.03715.39
5.5.70.0080.02215.58
5.5.60.0050.02615.49
5.5.50.0110.02115.44
5.5.40.0050.02615.42
5.5.30.0030.02715.42
5.5.20.0050.02515.61
5.5.10.0060.02315.46
5.5.00.0050.04215.41
5.4.450.0050.04215.25
5.4.440.0000.02615.02
5.4.430.0050.02215.08
5.4.420.0030.02415.21
5.4.410.0020.02815.08
5.4.400.0030.02114.98
5.4.390.0030.02214.97
5.4.380.0020.02614.96
5.4.370.0030.02314.96
5.4.360.0050.02615.05
5.4.350.0070.02514.95
5.4.340.0020.02314.74
5.4.330.0030.00910.37
5.4.320.0040.03714.94
5.4.310.0030.03114.72
5.4.300.0020.02514.89
5.4.290.0030.02614.87
5.4.280.0060.02914.96
5.4.270.0060.02214.87
5.4.260.0050.02514.81
5.4.250.0060.04014.85
5.4.240.0090.03414.95
5.4.230.0030.04214.99
5.4.220.0020.02414.81
5.4.210.0050.02514.94
5.4.200.0070.01915.00
5.4.190.0050.02215.07
5.4.180.0070.02414.87
5.4.170.0040.02314.88
5.4.160.0030.03014.69
5.4.150.0040.02614.72
5.4.140.0050.02813.78
5.4.130.0020.02513.64
5.4.120.0070.01813.75
5.4.110.0070.02113.85
5.4.100.0020.02613.92
5.4.90.0050.02413.73
5.4.80.0030.02313.83
5.4.70.0070.01913.81
5.4.60.0020.02013.77
5.4.50.0080.03313.64
5.4.40.0060.02513.87
5.4.30.0230.02113.87
5.4.20.0080.01613.76
5.4.10.0050.03513.84
5.4.00.0080.01813.36
5.3.290.0100.02312.75
5.3.280.0140.02412.71
5.3.270.0070.03912.82
5.3.260.0060.02712.86
5.3.250.0080.02112.69
5.3.240.0120.02012.80
5.3.230.0050.02712.81
5.3.220.0060.02412.83
5.3.210.0030.03112.71
5.3.200.0050.02712.77
5.3.190.0050.02212.82
5.3.180.0050.02212.81
5.3.170.0060.02212.87
5.3.160.0110.02012.89
5.3.150.0120.02612.72
5.3.140.0150.02412.72
5.3.130.0040.02212.69
5.3.120.0020.02412.81
5.3.110.0020.02712.70
5.3.100.0040.02912.79
5.3.90.0030.02712.84
5.3.80.0090.01612.80
5.3.70.0040.02012.63
5.3.60.0020.02512.81
5.3.50.0030.02912.70
5.3.40.0050.01812.77
5.3.30.0030.02112.79
5.3.20.0050.01812.73
5.3.10.0050.02012.71
5.3.00.0060.01912.65
5.2.170.0030.02915.07
5.2.160.0000.03615.07
5.2.150.0000.03315.07
5.2.140.0030.02815.07
5.2.130.0030.02715.07
5.2.120.0000.03015.07
5.2.110.0000.03415.07
5.2.100.0030.02715.07
5.2.90.0000.03015.07
5.2.80.0060.02515.07
5.2.70.0030.03315.07
5.2.60.0060.03115.07
5.2.50.0000.03015.07
5.2.40.0030.02815.07
5.2.30.0000.03415.07
5.2.20.0070.02315.07
5.2.10.0000.03215.07
5.2.00.0030.03015.07
5.1.60.0030.02515.07
5.1.50.0000.02615.07
5.1.40.0030.02215.07
5.1.30.0040.02815.07
5.1.20.0000.02815.07
5.1.10.0000.02715.07
5.1.00.0030.02315.07
5.0.50.0000.02315.07
5.0.40.0060.01515.07
5.0.30.0040.02815.07
5.0.20.0000.02015.07
5.0.10.0030.01815.07
5.0.00.0000.04115.07
4.4.90.0000.01615.07
4.4.80.0030.01715.07
4.4.70.0000.01615.07
4.4.60.0000.01615.07
4.4.50.0000.01815.07
4.4.40.0030.02215.07
4.4.30.0000.01815.07
4.4.20.0000.02115.07
4.4.10.0000.01615.07
4.4.00.0030.02215.07
4.3.110.0000.01615.07
4.3.100.0030.01515.07
4.3.90.0030.01615.07
4.3.80.0030.02215.07
4.3.70.0000.01615.07
4.3.60.0030.01515.07
4.3.50.0030.01315.07
4.3.40.0000.02515.07
4.3.30.0000.02115.07
4.3.20.0040.01515.07
4.3.10.0030.01415.07
4.3.00.0130.01915.07

preferences:
39.19 ms | 401 KiB | 5 Q