3v4l.org

run code in 300+ PHP versions simultaneously
<?php mt_srand(42); for ($i = 0; $i < 20; $i++) { $key = generate_key(); $len = count($key); echo "{$key} {$len}\n"; } function generate_key() { return base64_urlencode(rand_buffer(48)); } function base64_urlencode($buf) { return str_replace(array('+', '/', '='), array('-', '_', ''), base64_encode($buf)); } function rand_buffer($n) { // return openssl_random_pseudo_bytes($n); $buf = ""; for ($i = 0; $i < $n; $i++) { $buf .= chr(mt_rand(0, 255)); } return $buf; }

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)
7.3.120.0090.00614.99
7.3.110.0070.00715.20
7.3.100.0060.00714.86
7.3.90.0130.00014.94
7.3.80.0060.00914.96
7.3.70.0040.01114.64
7.3.60.0070.00314.97
7.3.50.0070.00714.71
7.3.40.0000.01614.84
7.3.30.0070.00314.89
7.3.20.0050.00316.61
7.3.10.0100.01016.53
7.3.00.0140.00616.37
7.2.240.0030.01415.28
7.2.230.0060.00915.00
7.2.220.0040.01115.17
7.2.210.0060.00915.11
7.2.200.0130.00015.14
7.2.190.0100.00714.82
7.2.180.0030.00715.18
7.2.170.0000.01914.90
7.2.160.0040.00714.96
7.2.150.0030.01717.05
7.2.140.0090.00616.79
7.2.130.0110.00616.75
7.2.120.0100.00916.77
7.2.110.0130.00916.77
7.2.100.0130.00216.67
7.2.90.0030.01416.73
7.2.80.0120.00716.55
7.2.70.0100.01016.72
7.2.60.0120.01216.55
7.2.50.0150.00616.47
7.2.40.0120.01116.58
7.2.30.0080.01516.57
7.2.20.0120.00816.99
7.2.10.0100.00816.99
7.2.00.0140.00716.93
7.1.330.0070.00715.77
7.1.320.0000.01015.87
7.1.310.0060.00615.64
7.1.300.0030.01315.68
7.1.290.0060.01015.94
7.1.280.0090.00615.88
7.1.270.0030.01015.61
7.1.260.0000.01115.68
7.1.250.0080.01115.43
7.1.70.0000.00717.35
7.1.60.0100.01319.70
7.1.50.0030.01417.03
7.1.00.0070.07322.44
7.0.200.0030.00716.68
7.0.140.0000.07722.07
7.0.60.0000.09319.88
7.0.50.0070.08017.98
7.0.40.0130.07720.18
7.0.30.0270.07020.21
7.0.20.0230.05320.10
7.0.10.0100.08320.22
7.0.00.0230.07020.25
5.6.280.0100.06721.13
5.6.210.0100.07320.54
5.6.200.0030.04718.34
5.6.190.0070.05020.50
5.6.180.3500.04720.61
5.6.170.0300.04720.46
5.6.160.0030.05320.70
5.6.150.0030.04318.19
5.6.140.0030.04018.18
5.6.130.0100.06718.17
5.6.120.0070.04021.14
5.6.110.0170.03320.99
5.6.100.0030.09021.03
5.6.90.0000.09020.98
5.6.80.0130.05720.40
5.5.350.0270.07020.53
5.5.340.0030.04017.97
5.5.330.0000.07720.13
5.5.320.3130.04720.31
5.5.310.0300.07320.27
5.5.300.0100.07017.94
5.5.290.0100.04317.98
5.5.280.0100.04720.99
5.5.270.0030.09020.98
5.5.260.0070.08020.80
5.5.250.0130.08020.62
5.5.240.4100.03720.09
5.4.450.0470.06719.30
5.4.440.1070.05719.34
5.4.430.0830.04719.69
5.4.420.0170.05019.59
5.4.410.0730.05719.25
5.4.400.0530.05019.27
5.4.390.0770.05319.28
5.4.380.0230.04718.52
5.4.370.0200.04718.75
5.4.360.0100.05318.84
5.4.350.0130.05318.71
5.4.340.0130.07018.59
5.4.320.0040.03812.51
5.4.310.0060.03912.50
5.4.300.0050.04412.51
5.4.290.0070.04412.51
5.4.280.0090.03612.41
5.4.270.0070.03812.41
5.4.260.0030.04212.40
5.4.250.0060.04012.40
5.4.240.0100.03512.40
5.4.230.0050.04112.39
5.4.220.0070.04212.39
5.4.210.0100.03412.39
5.4.200.0080.04112.39
5.4.190.0060.03912.39
5.4.180.0060.03712.39
5.4.170.0040.03912.40
5.4.160.0020.04112.39
5.4.150.0060.03912.39
5.4.140.0100.03612.07
5.4.130.0080.03612.06
5.4.120.0110.03412.02
5.4.110.0090.04012.02
5.4.100.0070.05012.02
5.4.90.0100.03712.02
5.4.80.0060.04612.02
5.4.70.0090.03912.01
5.4.60.0080.03812.01
5.4.50.0120.04412.02
5.4.40.0100.04512.00
5.4.30.0110.03912.00
5.4.20.0070.04812.00
5.4.10.0090.04712.00
5.4.00.0060.04211.48
5.3.290.0050.04112.80
5.3.280.0080.04212.71
5.3.270.0100.04112.72
5.3.260.0080.04512.72
5.3.250.0120.04012.72
5.3.240.0030.04312.72
5.3.230.0080.04712.71
5.3.220.0100.05112.68
5.3.210.0100.05412.68
5.3.200.0090.03912.68
5.3.190.0030.04712.68
5.3.180.0120.03512.68
5.3.170.0070.04012.67
5.3.160.0080.03912.67
5.3.150.0090.03812.67
5.3.140.0060.04012.66
5.3.130.0080.04612.66
5.3.120.0080.05212.65
5.3.110.0110.05012.66
5.3.100.0080.04812.13
5.3.90.0080.04212.11
5.3.80.0090.03712.10
5.3.70.0050.03912.10
5.3.60.0060.03712.08
5.3.50.0040.03912.03
5.3.40.0120.03112.03
5.3.30.0040.03811.99
5.3.20.0060.03611.78
5.3.10.0060.03611.73
5.3.00.0050.04211.73
5.2.170.0020.0359.23
5.2.160.0050.0329.23
5.2.150.0070.0329.23
5.2.140.0070.0409.23
5.2.130.0050.0419.19
5.2.120.0070.0289.19
5.2.110.0130.0329.20
5.2.100.0060.0299.18
5.2.90.0070.0309.18
5.2.80.0060.0319.18
5.2.70.0070.0329.18
5.2.60.0050.0339.14
5.2.50.0030.0329.11
5.2.40.0110.0249.09
5.2.30.0040.0329.05
5.2.20.0030.0319.05
5.2.10.0050.0298.95
5.2.00.0020.0328.82
5.1.60.0010.0288.09
5.1.50.0030.0278.09
5.1.40.0050.0248.07
5.1.30.0040.0278.43
5.1.20.0040.0298.45
5.1.10.0050.0278.17
5.1.00.0080.0238.17
5.0.50.0040.0226.65
5.0.40.0020.0216.51
5.0.30.0060.0316.32
5.0.20.0040.0216.29
5.0.10.0010.0246.27
5.0.00.0030.0326.26
4.4.90.0010.0194.77
4.4.80.0010.0184.75
4.4.70.0020.0184.75
4.4.60.0020.0184.75
4.4.50.0050.0154.77
4.4.40.0030.0264.71
4.4.30.0050.0164.76
4.4.20.0030.0174.84
4.4.10.0020.0264.84
4.4.00.0050.0284.76
4.3.110.0030.0194.67
4.3.100.0050.0214.66
4.3.90.0020.0234.63
4.3.80.0060.0294.59
4.3.70.0020.0224.63
4.3.60.0030.0214.63
4.3.50.0020.0234.63
4.3.40.0050.0254.54
4.3.30.0030.0173.32
4.3.20.0020.0183.29
4.3.10.0020.0183.25
4.3.00.0030.01728.29

preferences:
37.25 ms | 401 KiB | 5 Q