3v4l.org

run code in 300+ PHP versions simultaneously
<?php $format = 'AAA-###000'; $voucherCode = ''; $charSet = 'ABCDEFGHJKLMNPQRSTUVWXYZ'; //removed O and I, they can easily be mistaken for numbers $numberSet = '0123456789'; $length = strlen($format); $charCount = strlen($charSet); $numberCount = strlen($numberSet); for ($i=0; $i < $length; $i++) { if ($format[$i] == '#') //alpha $voucherCode .= substr($charSet, mt_rand(0, $charCount-1), 1); elseif($format[$i] == '0') //numerical $voucherCode .= substr($numberSet, mt_rand(0, $numberCount-1), 1); else //specific alpha character $voucherCode .= $format[$i]; } echo $voucherCode;

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)
7.4.10.0130.00315.07
7.4.00.0060.01114.79
7.3.130.0060.01214.88
7.3.120.0080.00814.84
7.3.110.0140.00314.71
7.3.100.0080.00814.80
7.3.90.0070.00614.69
7.3.80.0030.01314.63
7.3.70.0050.00814.67
7.3.60.0020.01114.78
7.3.50.0030.01214.75
7.3.40.0070.00714.63
7.3.30.0100.00414.83
7.3.20.0050.01016.49
7.3.10.0050.00616.61
7.3.00.0040.00916.54
7.2.260.0070.01114.99
7.2.250.0090.00815.31
7.2.240.0070.01015.07
7.2.230.0050.01015.25
7.2.220.0080.00715.08
7.2.210.0050.01115.14
7.2.200.0050.00815.02
7.2.190.0080.00715.15
7.2.180.0110.00515.14
7.2.170.0030.01115.08
7.2.160.0040.01114.86
7.2.150.0020.01516.63
7.2.140.0070.00916.81
7.2.130.0030.01116.92
7.2.120.0080.00816.83
7.2.110.0010.01316.92
7.2.100.0040.01216.94
7.2.90.0070.00816.98
7.2.80.0070.00917.04
7.2.70.0020.01016.91
7.2.60.0050.00916.97
7.2.50.0090.00716.87
7.2.40.0090.00516.79
7.2.30.0080.00716.95
7.2.20.0020.01216.92
7.2.10.0050.00716.84
7.2.00.0060.00817.36
7.1.330.0030.01315.59
7.1.320.0020.01215.63
7.1.310.0060.00315.61
7.1.300.0080.00315.59
7.1.290.0060.00715.71
7.1.280.0040.00915.77
7.1.270.0090.00715.68
7.1.260.0060.00615.84
7.1.250.0040.01015.79
7.1.240.0080.00715.80
7.1.230.0050.01015.83
7.1.220.0070.00715.76
7.1.210.0080.00815.89
7.1.200.0030.01415.84
7.1.190.0040.00915.86
7.1.180.0030.01115.84
7.1.170.0040.00815.78
7.1.160.0060.00415.62
7.1.150.0080.00715.77
7.1.140.0040.00815.68
7.1.130.0030.01215.81
7.1.120.0080.00715.75
7.1.110.0040.01016.01
7.1.100.0030.00915.71
7.1.90.0050.01015.80
7.1.80.0050.01015.72
7.1.70.0060.00616.27
7.1.60.0040.01217.01
7.1.50.0080.00416.10
7.1.40.0090.00515.62
7.1.30.0060.00515.82
7.1.20.0080.00515.90
7.1.10.0000.01115.75
7.1.00.0050.03117.96
7.0.330.0050.00915.51
7.0.320.0030.00715.32
7.0.310.0050.01215.17
7.0.300.0060.00615.45
7.0.290.0030.00915.39
7.0.280.0100.00415.51
7.0.270.0100.00315.19
7.0.260.0070.00715.31
7.0.250.0060.00615.32
7.0.240.0050.00815.38
7.0.230.0080.00715.26
7.0.220.0110.00515.44
7.0.210.0110.00315.43
7.0.200.0020.00715.79
7.0.190.0070.00515.38
7.0.180.0060.00715.38
7.0.170.0090.00415.53
7.0.160.0050.01015.57
7.0.150.0050.00715.43
7.0.140.0090.02717.54
7.0.130.0080.00315.48
7.0.120.0070.00815.46
7.0.110.0030.00915.37
7.0.100.0070.03417.01
7.0.90.0060.02917.02
7.0.80.0100.02816.98
7.0.70.0040.03516.92
7.0.60.0050.03316.86
7.0.50.0040.03317.09
7.0.40.0100.02915.76
7.0.30.0070.03415.67
7.0.20.0090.03015.71
7.0.10.0080.03015.65
7.0.00.0060.03115.69
5.6.400.0050.01114.47
5.6.390.0050.00714.46
5.6.380.0070.00814.40
5.6.370.0000.01214.61
5.6.360.0070.00814.37
5.6.350.0060.00814.45
5.6.340.0040.00914.00
5.6.330.0090.00714.48
5.6.320.0060.00514.37
5.6.310.0080.00614.35
5.6.300.0070.00714.54
5.6.290.0060.00714.56
5.6.280.0080.02716.67
5.6.270.0070.00714.57
5.6.260.0060.00614.41
5.6.250.0060.03116.55
5.6.240.0070.03516.59
5.6.230.0070.02416.45
5.6.220.0060.02816.51
5.6.210.0060.03116.50
5.6.200.0060.03216.65
5.6.190.0060.03516.69
5.6.180.0070.02416.66
5.6.170.0080.03216.68
5.6.160.0060.03016.57
5.6.150.0070.03316.45
5.6.140.0040.03716.65
5.6.130.0030.03116.49
5.6.120.0090.03216.69
5.6.110.0090.03016.66
5.6.100.0090.03016.57
5.6.90.0080.03316.57
5.6.80.0030.03316.36
5.6.70.0090.02816.46
5.6.60.0050.03116.42
5.6.50.0090.03116.49
5.6.40.0080.02416.26
5.6.30.0050.02916.36
5.6.20.0060.03016.23
5.6.10.0140.02616.35
5.6.00.0100.02716.37
5.5.380.0100.02016.35
5.5.370.0130.02816.33
5.5.360.0060.03316.27
5.5.350.0090.03116.34
5.5.340.0120.02116.37
5.5.330.0050.03316.52
5.5.320.0070.02916.51
5.5.310.0030.03516.56
5.5.300.0060.03316.45
5.5.290.0030.03616.30
5.5.280.0080.03216.56
5.5.270.0080.03216.27
5.5.260.0130.02516.50
5.5.250.0060.03216.38
5.5.240.0130.02416.24
5.5.230.0060.02616.24
5.5.220.0090.02816.23
5.5.210.0090.02716.34
5.5.200.0080.02916.34
5.5.190.0040.03516.32
5.5.180.0060.03216.20
5.5.170.0070.00714.42
5.5.160.0100.02916.19
5.5.150.0080.03016.18
5.5.140.0060.03516.23
5.5.130.0060.03116.24
5.5.120.0070.03116.11
5.5.110.0110.02816.26
5.5.100.0060.03116.18
5.5.90.0070.03116.24
5.5.80.0080.02616.29
5.5.70.0050.03416.13
5.5.60.0100.02816.27
5.5.50.0080.03016.27
5.5.40.0070.03016.28
5.5.30.0120.01916.13
5.5.20.0020.03316.26
5.5.10.0080.03016.27
5.5.00.0050.03116.16
5.4.450.0070.03114.21
5.4.440.0060.03014.36
5.4.430.0050.03214.32
5.4.420.0080.02814.31
5.4.410.0080.02314.27
5.4.400.0030.03214.13
5.4.390.0140.02114.23
5.4.380.0090.01814.22
5.4.370.0050.02614.16
5.4.360.0020.03114.22
5.4.350.0020.03014.24
5.4.340.0020.03414.20
5.4.330.0020.00711.77
5.4.320.0110.02614.10
5.4.310.0030.03114.24
5.4.300.0040.03114.27
5.4.290.0070.02914.19
5.4.280.0040.03014.24
5.4.270.0030.03114.14
5.4.260.0030.03214.15
5.4.250.0060.02914.17
5.4.240.0020.02614.24
5.4.230.0060.02714.28
5.4.220.0070.03214.13
5.4.210.0070.02514.27
5.4.200.0080.02714.22
5.4.190.0020.03114.14
5.4.180.0090.02714.19
5.4.170.0010.02414.18
5.4.160.0030.02814.27
5.4.150.0050.03014.17
5.4.140.0050.02913.19
5.4.130.0010.03113.33
5.4.120.0040.03113.29
5.4.110.0030.03013.27
5.4.100.0060.03013.24
5.4.90.0030.02713.29
5.4.80.0050.03013.28
5.4.70.0030.03013.29
5.4.60.0090.02413.26
5.4.50.0070.02613.30
5.4.40.0070.02713.30
5.4.30.0040.03113.26
5.4.20.0080.02713.40
5.4.10.0070.02913.26
5.4.00.0040.02813.19
5.3.290.0030.07314.63
5.3.280.0170.06714.41
5.3.270.0100.07314.47
5.3.260.0030.08014.59
5.3.250.0070.06714.52
5.3.240.0100.04714.45
5.3.230.0070.07314.60
5.3.220.0030.07314.39
5.3.210.0070.07714.39
5.3.200.0100.07714.43
5.3.190.0070.06314.41
5.3.180.0100.07714.53
5.3.170.0070.07314.53
5.3.160.0100.07714.55
5.3.150.0100.07714.38
5.3.140.0100.07014.56
5.3.130.0030.08314.55
5.3.120.0100.07714.55
5.3.110.0130.06014.53
5.3.100.0070.07713.88
5.3.90.0100.06713.99
5.3.80.0030.08313.84
5.3.70.0070.07013.96
5.3.60.0030.08013.86
5.3.50.0070.07013.80
5.3.40.0200.06713.92
5.3.30.0100.07013.79
5.3.20.0070.07313.47
5.3.10.0070.07713.44
5.3.00.0100.07013.63
5.2.170.0030.06711.16
5.2.160.0070.04711.02
5.2.150.0070.05311.16
5.2.140.0070.04010.93
5.2.130.0000.06711.10
5.2.120.0100.05711.10
5.2.110.0070.05710.98
5.2.100.0030.06311.09
5.2.90.0030.06311.02
5.2.80.0070.06311.09
5.2.70.0070.06010.98
5.2.60.0070.06011.05
5.2.50.0070.06311.06
5.2.40.0100.05711.04
5.2.30.0000.03710.82
5.2.20.0000.06310.92
5.2.10.0070.06310.92
5.2.00.0070.06010.76
5.1.60.0030.03010.43
5.1.50.0070.05310.43
5.1.40.0130.04310.43
5.1.30.0000.06310.43
5.1.20.0100.04710.43
5.1.10.0070.05310.43
5.1.00.0070.05310.43
5.0.50.0100.04010.43
5.0.40.0030.04310.43
5.0.30.0000.06710.43
5.0.20.0030.04310.43
5.0.10.0030.04310.43
5.0.00.0030.06310.43
4.4.90.0070.03310.43
4.4.80.0070.02310.43
4.4.70.0070.03010.43
4.4.60.0070.03010.43
4.4.50.0030.03710.43
4.4.40.0030.04010.43
4.4.30.0000.04010.43
4.4.20.0070.03010.43
4.4.10.0000.03710.43
4.4.00.0000.05710.43
4.3.110.0030.03710.43
4.3.100.0030.02310.43
4.3.90.0070.03010.43
4.3.80.0000.05710.43
4.3.70.0000.03710.43
4.3.60.0030.03710.43
4.3.50.0030.03310.43
4.3.40.0070.04710.43
4.3.30.0000.04010.43
4.3.20.0070.03310.43
4.3.10.0000.03710.43
4.3.00.0000.03710.43

preferences:
30 ms | 401 KiB | 5 Q