3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generateRandomString($length = 10) { $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $randomString = ''; for ($i = 0; $i < $length; $i++) { $randomString .= $characters[rand(0, strlen($characters) - 1)]; } return $randomString; } // APPEL // Génère une chaine de longueur 20 echo $chaine = generateRandomString(20);

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)
7.4.10.0070.01016.36
7.4.00.0030.01416.42
7.3.130.0130.00616.13
7.3.120.0140.00316.34
7.3.110.0040.01116.34
7.3.100.0060.00916.43
7.3.90.0000.01216.53
7.3.80.0090.00616.23
7.3.70.0070.00716.45
7.3.60.0060.00616.32
7.3.50.0100.00316.29
7.3.40.0070.00316.24
7.3.30.0080.00616.38
7.3.20.0060.00918.07
7.3.10.0070.00517.01
7.3.00.0040.00917.08
7.2.260.0150.00416.57
7.2.250.0090.01216.43
7.2.240.0040.01516.86
7.2.230.0000.01216.57
7.2.220.0060.00916.60
7.2.210.0030.01416.68
7.2.200.0070.00716.51
7.2.190.0060.00916.69
7.2.180.0090.00616.70
7.2.170.0100.00016.57
7.2.160.0070.01016.42
7.2.150.0030.01518.54
7.2.140.0090.00918.38
7.2.130.0060.00717.26
7.2.120.0050.00917.23
7.2.110.0050.00817.26
7.2.100.0090.00617.32
7.2.90.0070.00717.33
7.2.80.0090.00717.17
7.2.70.0060.00817.28
7.2.60.0070.00717.19
7.2.50.0020.01117.25
7.2.40.0080.00617.14
7.2.30.0070.00517.20
7.2.20.0040.00717.31
7.2.10.0070.00817.14
7.2.00.0050.01117.72
7.1.330.0070.00717.32
7.1.320.0080.00817.66
7.1.310.0070.00717.26
7.1.300.0040.00717.37
7.1.290.0030.01217.36
7.1.280.0060.00617.50
7.1.270.0040.01217.18
7.1.260.0030.01317.33
7.1.250.0060.00616.12
7.1.240.0030.00917.43
7.1.230.0030.01017.48
7.1.220.0070.01017.34
7.1.210.0070.00417.23
7.1.200.0070.00717.23
7.1.190.0070.01017.48
7.1.180.0100.00317.28
7.1.170.0080.00417.39
7.1.160.0100.00017.44
7.1.150.0060.00917.32
7.1.140.0070.00717.35
7.1.130.0110.00617.41
7.1.120.0060.00917.50
7.1.110.0090.00917.30
7.1.100.0110.00717.30
7.1.90.0060.00917.25
7.1.80.0090.00617.30
7.1.70.0080.00317.40
7.1.60.0120.00718.29
7.1.50.0100.01017.12
7.1.40.0030.00617.32
7.1.30.0030.01017.42
7.1.20.0070.00717.37
7.1.10.0070.00717.45
7.1.00.0090.03919.90
7.0.330.0070.01117.13
7.0.320.0120.00317.05
7.0.310.0070.01017.07
7.0.300.0040.00416.84
7.0.290.0030.01316.89
7.0.280.0060.00616.86
7.0.270.0080.00816.84
7.0.260.0080.00817.04
7.0.250.0070.01016.96
7.0.240.0070.00717.16
7.0.230.0030.01416.93
7.0.220.0080.00617.04
7.0.210.0120.00617.00
7.0.200.0050.00816.96
7.0.190.0070.01016.98
7.0.180.0040.00816.93
7.0.170.0070.00717.00
7.0.160.0150.00017.16
7.0.150.0090.00616.99
7.0.140.0050.04119.52
7.0.130.0090.00616.98
7.0.120.0070.00717.24
7.0.110.0030.01016.99
7.0.100.0000.01317.02
7.0.90.0030.00917.04
7.0.80.0100.00717.11
7.0.70.0070.00716.93
7.0.60.0100.03718.41
7.0.50.0040.02417.42
7.0.40.0080.03317.67
7.0.30.0230.03717.63
7.0.20.0070.03117.63
7.0.10.0080.02817.52
7.0.00.0050.02517.54
5.6.400.0080.00416.14
5.6.390.0000.01116.01
5.6.380.0100.00316.34
5.6.370.0030.01416.04
5.6.360.0040.01116.33
5.6.350.0060.00915.76
5.6.340.0060.00915.80
5.6.330.0040.00816.13
5.6.320.0110.00716.04
5.6.310.0070.00715.82
5.6.300.0070.00715.79
5.6.290.0060.00616.00
5.6.280.0050.04218.53
5.6.270.0030.00715.78
5.6.260.0060.00915.97
5.6.250.0060.00915.96
5.6.240.0030.01415.95
5.6.230.0100.00316.04
5.6.220.0030.01315.96
5.6.210.0130.02318.19
5.6.200.0050.02717.11
5.6.190.0080.04418.34
5.6.180.0080.04518.36
5.6.170.0200.04318.33
5.6.160.0080.04318.20
5.6.150.0070.04617.09
5.6.140.0060.02317.01
5.6.130.0100.02517.05
5.6.120.0020.04218.46
5.6.110.0070.04018.47
5.6.100.0070.04118.65
5.6.90.0070.04318.63
5.6.80.0050.02418.21
5.6.70.0160.03118.02
5.6.60.0040.01115.92
5.6.50.0040.01115.96
5.6.40.0030.01515.78
5.6.30.0090.00615.92
5.6.20.0100.00315.93
5.6.10.0040.00716.10
5.6.00.0110.00416.15
5.5.380.0080.00315.92
5.5.370.0060.00615.78
5.5.360.0040.01115.66
5.5.350.0100.04718.18
5.5.340.0050.04317.12
5.5.330.0050.03318.14
5.5.320.0100.04418.15
5.5.310.0180.03018.06
5.5.300.0070.04416.91
5.5.290.0080.04316.99
5.5.280.0090.02318.35
5.5.270.0050.04818.48
5.5.260.0080.03618.33
5.5.250.0050.04718.17
5.5.240.0020.04118.02
5.5.230.0070.00415.86
5.5.220.0030.01215.81
5.5.210.0000.01015.92
5.5.200.0090.00615.78
5.5.190.0000.01215.67
5.5.180.0130.00315.89
5.5.170.0030.00915.83
5.5.160.0060.00915.76
5.5.150.0000.01415.88
5.5.140.0070.00715.98
5.5.130.0070.00715.83
5.5.120.0110.00315.59
5.5.110.0080.00815.70
5.5.100.0000.01115.74
5.5.90.0000.00915.96
5.5.80.0040.01115.93
5.5.70.0030.01015.79
5.5.60.0070.01015.86
5.5.50.0060.00915.84
5.5.40.0030.00915.95
5.5.30.0090.00615.63
5.5.20.0070.00715.73
5.5.10.0030.00715.81
5.5.00.0040.00915.54
5.4.450.0330.02316.46
5.4.440.0270.02916.28
5.4.430.0100.02916.37
5.4.420.0120.03116.41
5.4.410.0080.03016.30
5.4.400.0180.02816.25
5.4.390.0530.02616.09
5.4.380.0220.02815.94
5.4.370.0180.02715.99
5.4.360.0160.03015.99
5.4.350.0170.03216.02
5.4.340.0220.02715.94
5.4.330.0000.01113.29
5.4.320.0090.01812.89
5.4.310.0070.02612.89
5.4.300.0050.02712.90
5.4.290.0080.02012.89
5.4.280.0060.02512.84
5.4.270.0050.02412.84
5.4.260.0040.02212.84
5.4.250.0060.02112.84
5.4.240.0090.02112.84
5.4.230.0080.02112.84
5.4.220.0090.02212.84
5.4.210.0050.02112.84
5.4.200.0130.03813.77
5.4.190.0110.02412.82
5.4.180.0070.02612.82
5.4.170.0080.02612.83
5.4.160.0130.02412.83
5.4.150.0170.03412.83
5.4.140.0110.02312.67
5.4.130.0110.02412.66
5.4.120.0070.02712.64
5.4.110.0120.02412.64
5.4.100.0080.02812.64
5.4.90.0110.02412.64
5.4.80.0120.02112.64
5.4.70.0140.02212.64
5.4.60.0070.02912.64
5.4.50.0100.02612.63
5.4.40.0130.02112.63
5.4.30.0080.02612.63
5.4.20.0110.02412.63
5.4.10.0110.02512.63
5.4.00.0130.02212.37
5.3.290.0040.03013.05
5.3.280.0050.02313.00
5.3.270.0160.02313.00
5.3.260.0150.02613.00
5.3.250.0180.05313.00
5.3.240.0090.02813.00
5.3.230.0100.02713.00
5.3.220.0070.02912.98
5.3.210.0100.02712.98
5.3.200.0110.02712.98
5.3.190.0070.03012.98
5.3.180.0110.02512.98
5.3.170.0120.02612.98
5.3.160.0110.02312.98
5.3.150.0100.02812.98
5.3.140.0140.02112.97
5.3.130.0120.02512.97
5.3.120.0100.02712.97
5.3.110.0090.02412.97
5.3.100.0090.02712.70
5.3.90.0140.03612.69
5.3.80.0110.02512.68
5.3.70.0120.02412.68
5.3.60.0090.02612.68
5.3.50.0110.02412.64
5.3.40.0100.02612.64
5.3.30.0090.02512.63
5.3.20.0130.02612.52
5.3.10.0090.03012.50
5.3.00.0100.02512.49
5.2.170.0120.0369.20
5.2.160.0140.0329.20
5.2.150.0110.0359.20
5.2.140.0110.0359.20
5.2.130.0160.0309.16
5.2.120.0150.0609.16
5.2.110.0090.0389.17
5.2.100.0110.0359.17
5.2.90.0110.0349.17
5.2.80.0110.0359.15
5.2.70.0080.0389.15
5.2.60.0160.0309.11
5.2.50.0110.0359.07
5.2.40.0110.0359.05
5.2.30.0090.0379.03
5.2.20.0100.0359.02
5.2.10.0090.0368.92
5.2.00.0110.0338.78
5.1.60.0110.0288.07
5.1.50.0060.0358.06
5.1.40.0090.0308.05
5.1.30.0080.0348.39
5.1.20.0180.0268.42
5.1.10.0130.0308.14
5.1.00.0130.0298.13
5.0.50.0130.0246.62
5.0.40.0070.0256.47
5.0.30.0080.0366.29
5.0.20.0070.0256.26
5.0.10.0100.0216.23
5.0.00.0110.0346.22
4.4.90.0090.0184.78
4.4.80.0050.0214.75
4.4.70.0070.0184.75
4.4.60.0090.0164.75
4.4.50.0060.0184.77
4.4.40.0090.0304.70
4.4.30.0070.0214.76
4.4.20.0060.0194.84
4.4.10.0110.0144.85
4.4.00.0070.0314.76
4.3.110.0070.0184.67
4.3.100.0080.0164.67
4.3.90.0060.0184.63
4.3.80.0090.0274.58
4.3.70.0060.0184.63
4.3.60.0100.0154.63
4.3.50.0080.0164.63
4.3.40.0090.0274.54
4.3.30.0040.0203.30
4.3.20.0050.0183.27
4.3.10.0070.0173.24
4.3.00.0130.03315.63

preferences:
40.47 ms | 401 KiB | 5 Q