3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = -1; $i <= 24; $i++) { $bytes = openssl_random_pseudo_bytes($i, $cstrong); $hex = preg_replace('/[^a-zA-Z0-9]/', '', base64_encode($bytes)); echo "Lengths: Bytes: $i and Hex: " . strlen($hex) . PHP_EOL; var_dump($hex); var_dump($cstrong); echo 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)
8.3.60.0090.00916.63
8.3.50.0060.00917.48
8.3.40.0040.01118.88
8.3.30.0080.00818.87
8.3.20.0000.00818.88
8.3.10.0080.00018.65
8.3.00.0090.00919.38
8.2.180.0120.00625.92
8.2.170.0070.01718.88
8.2.160.0090.00622.96
8.2.150.0060.00324.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0080.00019.76
8.2.110.0090.00021.05
8.2.100.0040.00817.84
8.2.90.0000.00819.38
8.2.80.0050.00317.97
8.2.70.0080.00017.93
8.2.60.0050.00317.97
8.2.50.0040.00418.10
8.2.40.0030.00519.08
8.2.30.0000.00819.06
8.2.20.0030.00717.69
8.2.10.0050.00217.73
8.2.00.0040.00317.82
8.1.280.0120.00625.92
8.1.270.0060.00323.99
8.1.260.0040.00426.35
8.1.250.0060.00328.09
8.1.240.0060.00322.58
8.1.230.0040.00722.27
8.1.220.0030.00617.79
8.1.210.0050.00318.77
8.1.200.0000.00817.22
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0040.00420.44
8.1.160.0050.00218.75
8.1.150.0040.00418.90
8.1.140.0030.00617.44
8.1.130.0040.00419.04
8.1.120.0030.00517.39
8.1.110.0000.00917.41
8.1.100.0030.00317.37
8.1.90.0000.00717.39
8.1.80.0000.00717.40
8.1.70.0000.00717.38
8.1.60.0040.00417.41
8.1.50.0040.00417.54
8.1.40.0020.00517.53
8.1.30.0000.01017.49
8.1.20.0080.00317.67
8.1.10.0000.00717.45
8.1.00.0040.00417.43
8.0.300.0000.00819.88
8.0.290.0060.00316.63
8.0.280.0000.00718.37
8.0.270.0030.00317.11
8.0.260.0000.00616.83
8.0.250.0040.00416.96
8.0.240.0050.00516.95
8.0.230.0040.00416.97
8.0.220.0030.00616.88
8.0.210.0030.00316.88
8.0.200.0030.00316.93
8.0.190.0040.00416.99
8.0.180.0050.00316.95
8.0.170.0030.00616.82
8.0.160.0070.00016.84
8.0.150.0060.00316.75
8.0.140.0050.00616.86
8.0.130.0050.00013.32
8.0.120.0060.00316.71
8.0.110.0000.00816.86
8.0.100.0030.00516.73
8.0.90.0040.00416.91
8.0.80.0120.00616.78
8.0.70.0040.00416.94
8.0.60.0040.00417.00
8.0.50.0040.00416.96
8.0.30.0120.00616.89
8.0.20.0140.00416.90
8.0.10.0040.00417.00
8.0.00.0080.01216.55
7.4.330.0000.00512.92
7.4.320.0030.00316.46
7.4.300.0060.00016.43
7.4.290.0030.00316.54
7.4.280.0100.00016.54
7.4.270.0000.00716.40
7.4.260.0000.00513.30
7.4.250.0000.00816.52
7.4.240.0000.00716.38
7.4.230.0060.00316.49
7.4.220.0060.01216.61
7.4.210.0110.00416.56
7.4.200.0000.00716.59
7.4.190.0070.00016.51
7.4.160.0120.00316.55
7.4.150.0030.01316.44
7.4.140.0160.00717.86
7.4.130.0110.01316.55
7.4.120.0140.00716.62
7.4.110.0090.01216.39
7.4.100.0030.01416.66
7.4.90.0060.01216.62
7.4.80.0120.00919.39
7.4.70.0080.01316.55
7.4.60.0030.01416.46
7.4.50.0100.00016.57
7.4.40.0060.01016.48
7.4.30.0080.00816.58
7.4.00.0070.01014.83
7.3.330.0060.00013.21
7.3.320.0030.00313.20
7.3.310.0080.00016.20
7.3.300.0000.00616.19
7.3.290.0080.00916.33
7.3.280.0080.00616.21
7.3.270.0120.00616.26
7.3.260.0140.00316.58
7.3.240.0100.00716.37
7.3.230.0130.00716.38
7.3.210.0170.00516.54
7.3.200.0110.00916.41
7.3.190.0160.00716.37
7.3.180.0040.01216.40
7.3.170.0040.01216.45
7.3.160.0120.00316.27
7.3.120.0070.01114.80
7.3.110.0080.01014.91
7.3.100.0070.00814.72
7.3.90.0060.00714.73
7.3.80.0030.01214.92
7.3.70.0090.00914.75
7.3.60.0050.00914.71
7.3.50.0050.01014.69
7.3.40.0070.01014.50
7.3.30.0080.00714.69
7.3.20.0080.00216.49
7.3.10.0070.00516.56
7.3.00.0050.00716.42
7.2.330.0000.01816.61
7.2.320.0060.01116.29
7.2.310.0030.01316.30
7.2.300.0060.00916.38
7.2.290.0090.00816.75
7.2.250.0090.00914.96
7.2.240.0070.01414.90
7.2.230.0080.00715.01
7.2.220.0120.00515.08
7.2.210.0060.00814.79
7.2.200.0120.00715.05
7.2.190.0070.00614.80
7.2.180.0070.00815.05
7.2.170.0070.01214.92
7.2.00.0000.01419.90
7.1.330.0060.00815.63
7.1.320.0030.00815.59
7.1.310.0050.00915.71
7.1.300.0030.00815.72
7.1.290.0020.01415.64
7.1.280.0110.00315.61
7.1.270.0030.01015.44
7.1.260.0040.00915.64
7.1.70.0070.00017.42
7.1.60.0040.02219.21
7.1.50.0130.01017.34
7.1.00.0030.03322.39
7.0.200.0000.01116.66
7.0.140.0100.06722.11
7.0.120.0000.07722.14
7.0.60.0070.06319.92
7.0.50.0070.08017.82
7.0.40.0100.08017.81
7.0.30.0130.08017.79
7.0.20.0170.07717.81
7.0.10.0070.07717.81
7.0.00.0030.08317.76
5.6.280.0070.07021.14
5.6.210.0070.08020.57
5.6.200.0070.07718.23
5.6.190.0030.06318.11
5.6.180.0070.08018.12
5.6.170.0070.08318.21
5.6.160.0030.08318.20
5.6.150.0100.06718.23
5.6.140.0100.04018.23
5.6.130.0070.08318.12
5.6.120.0070.08018.21
5.6.110.0070.04018.20
5.6.100.0100.07318.11
5.6.90.0030.08718.09
5.6.80.0130.06717.61
5.6.70.0100.08017.60
5.6.60.0100.08017.59
5.6.50.0100.06317.64
5.6.40.0000.04717.61
5.6.30.0070.08017.61
5.6.20.0030.04317.53
5.6.10.0070.05717.55
5.6.00.0130.07017.46
5.5.350.0200.07320.31
5.5.340.0130.07317.92
5.5.330.0200.06018.06
5.5.320.0030.08018.03
5.5.310.0100.08018.00
5.5.300.0130.07317.87
5.5.290.0200.06017.96
5.5.280.0100.05017.98
5.5.270.0070.08717.90
5.5.260.0030.04317.99
5.5.250.0100.07717.71
5.5.240.0130.05717.34
5.5.230.0070.08017.35
5.5.220.0070.06717.39
5.5.210.0100.07317.35
5.5.200.0070.06017.41
5.5.190.0170.06017.38
5.5.180.0030.07717.36
5.5.160.0100.07017.40
5.5.150.0100.06717.26
5.5.140.0070.07717.37
5.5.130.0100.07017.34
5.5.120.0030.08017.27
5.5.110.0000.06017.39
5.5.100.0000.06717.22
5.5.90.0030.08317.23
5.5.80.0070.08017.25
5.5.70.0070.08017.24
5.5.60.0070.06717.25
5.5.50.0070.05017.20
5.5.40.0030.05017.14
5.5.30.0130.06717.15
5.5.20.0070.05717.29
5.5.10.0000.07017.29
5.5.00.0130.07317.15
5.4.450.0070.07019.32
5.4.440.0070.04019.31
5.4.430.0100.04019.35
5.4.420.0100.05719.26
5.4.410.0130.07319.22
5.4.400.0030.06319.03
5.4.390.0070.05318.98
5.4.380.0170.04018.95
5.4.370.0030.05018.90
5.4.360.0100.03719.00
5.4.350.0100.07318.96
5.4.340.0200.04719.24
5.4.320.0070.07018.98
5.4.310.0100.07319.08
5.4.300.0130.07018.98
5.4.290.0070.07718.96
5.4.280.0100.08019.04
5.4.270.0100.06019.04
5.4.260.0000.06019.02
5.4.250.0030.07718.94
5.4.240.0100.07718.88
5.4.230.0070.06719.02
5.4.220.0170.06319.01
5.4.210.0130.06019.12
5.4.200.0070.07318.93
5.4.190.0030.06718.97
5.4.180.0130.07319.23
5.4.170.0070.06718.97
5.4.160.0100.05718.96
5.4.150.0070.04018.99
5.4.140.0030.07716.49
5.4.130.0100.07316.36
5.4.120.0100.06316.56
5.4.110.0130.04716.29
5.4.100.0000.05716.25
5.4.90.0000.04716.41
5.4.80.0070.05016.36
5.4.70.0030.04316.28
5.4.60.0070.07016.26
5.4.50.0030.07016.33
5.4.40.0070.06316.29
5.4.30.0070.04316.33
5.4.20.0070.07016.34
5.4.10.0070.06716.14
5.4.00.0000.05715.68
5.3.290.0100.07014.60
5.3.280.0030.08014.37
5.3.270.0070.07714.57
5.3.260.0030.04314.54
5.3.250.0030.04014.56
5.3.240.0070.07714.52
5.3.230.0030.06314.41
5.3.220.0000.08014.42
5.3.210.0130.07014.43
5.3.200.0100.07314.54
5.3.190.0030.04714.34
5.3.180.0070.04014.34
5.3.170.0070.05314.51
5.3.160.0200.06014.36
5.3.150.0030.07714.53
5.3.140.0070.04014.50
5.3.130.0030.05714.47
5.3.120.0130.04014.53
5.3.110.0100.07714.52
5.3.100.0100.06713.81
5.3.90.0170.04313.99
5.3.80.0030.07013.96
5.3.70.0070.07014.09
5.3.60.0030.05013.95
5.3.50.0030.06313.88
5.3.40.0070.07013.90
5.3.30.0030.07713.76
5.3.20.0100.05713.64
5.3.10.0100.03713.59
5.3.00.0070.07013.54
5.2.170.0130.05711.15
5.2.160.0070.05711.12
5.2.150.0070.06011.09
5.2.140.0100.05710.92
5.2.130.0000.04010.92
5.2.120.0030.04711.06
5.2.110.0030.04011.02
5.2.100.0070.04010.93
5.2.90.0070.05311.08
5.2.80.0000.06711.23
5.2.70.0030.04711.11
5.2.60.0100.05310.88
5.2.50.0070.04310.80
5.2.40.0030.06310.98
5.2.30.0070.06010.88
5.2.20.0070.05711.09
5.2.10.0000.05710.91
5.2.00.0030.04010.56
5.1.60.0170.0479.98
5.1.50.0030.0279.96
5.1.40.0030.05310.04
5.1.30.0100.04010.32
5.1.20.0130.03710.37
5.1.10.0070.05710.00
5.1.00.0000.03010.13
5.0.50.0000.0238.67
5.0.40.0030.0408.67
5.0.30.0000.0678.67
5.0.20.0070.0378.67
5.0.10.0070.0338.67
5.0.00.0030.0638.67
4.4.90.0000.0408.67
4.4.80.0000.0408.67
4.4.70.0070.0138.67
4.4.60.0030.0378.67
4.4.50.0000.0308.67
4.4.40.0000.0278.67
4.4.30.0000.0178.67
4.4.20.0000.0238.67
4.4.10.0070.0308.67
4.4.00.0130.0378.67
4.3.110.0000.0338.67
4.3.100.0030.0378.67
4.3.90.0100.0208.67
4.3.80.0030.0438.67
4.3.70.0000.0378.67
4.3.60.0000.0378.67
4.3.50.0000.0238.67
4.3.40.0030.0408.67
4.3.30.0000.0308.67
4.3.20.0030.0208.67
4.3.10.0000.0208.67
4.3.00.0000.0278.67

preferences:
47.68 ms | 401 KiB | 5 Q