3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(time()); function getNumber($val) { $let = range('a', 'z'); for ($i = 0; $i < count($let); $i++) { $let[$i] = ("'`" . $let[$i] . "`is'"); } $num = range(1, 26); $val = strtolower($val); $ret = preg_replace($let, $num, $val); $ret = substr(0, 10, $ret); return $ret; } $b = getNumber($a); echo "<pre>"; var_dump($b);

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)
7.4.10.0120.00615.16
7.4.00.0060.00915.31
7.3.130.0100.00715.30
7.3.120.0090.00915.08
7.3.110.0070.01115.00
7.3.100.0080.00815.07
7.3.90.0000.01014.80
7.3.80.0090.00615.28
7.3.70.0150.00015.18
7.3.60.0120.00315.06
7.3.50.0090.00614.94
7.3.40.0000.01415.11
7.3.30.0120.00315.25
7.3.20.0060.00316.77
7.3.10.0090.00616.63
7.3.00.0060.00816.87
7.2.260.0120.00615.26
7.2.250.0100.01114.90
7.2.240.0140.00015.40
7.2.230.0040.01115.27
7.2.220.0030.01315.09
7.2.210.0060.00615.27
7.2.200.0080.00615.29
7.2.190.0030.00615.29
7.2.180.0100.00015.40
7.2.170.0030.01315.20
7.2.160.0090.00315.45
7.2.150.0000.01516.94
7.2.140.0100.00717.27
7.2.130.0040.00817.16
7.2.120.0090.00917.15
7.2.110.0080.01016.93
7.2.100.0100.00717.02
7.2.90.0060.00717.30
7.2.80.0060.00717.01
7.2.70.0060.00817.04
7.2.60.0080.00517.12
7.2.50.0050.01017.27
7.2.40.0020.01717.22
7.2.30.0050.01117.28
7.2.20.0070.00817.11
7.2.10.0090.00817.19
7.2.00.0070.00717.03
7.1.330.0000.01315.88
7.1.320.0030.00915.80
7.1.310.0040.01215.96
7.1.300.0030.00915.97
7.1.290.0000.01515.71
7.1.280.0070.00716.16
7.1.270.0030.00915.79
7.1.260.0060.00315.79
7.1.250.0060.00615.94
7.1.240.0040.01115.82
7.1.230.0050.00815.85
7.1.220.0100.00416.11
7.1.210.0030.00815.96
7.1.200.0040.01116.14
7.1.190.0080.01215.90
7.1.180.0110.00515.94
7.1.170.0080.00515.93
7.1.160.0060.00616.12
7.1.150.0020.01216.05
7.1.140.0040.01115.95
7.1.130.0080.00616.15
7.1.120.0070.00815.79
7.1.110.0060.00815.96
7.1.100.0060.00715.97
7.1.90.0090.00616.07
7.1.80.0080.00415.98
7.1.70.0050.00816.47
7.1.60.0050.01417.16
7.1.50.0070.00716.35
7.1.40.0070.00715.95
7.1.30.0110.00416.07
7.1.20.0050.00715.91
7.1.10.0110.00315.94
7.1.00.0070.02918.14
7.0.330.0030.00715.52
7.0.320.0060.00615.57
7.0.310.0110.00615.60
7.0.300.0020.01215.43
7.0.290.0080.00715.64
7.0.280.0050.01015.49
7.0.270.0030.01115.46
7.0.260.0080.00515.60
7.0.250.0100.00515.65
7.0.240.0100.00715.71
7.0.230.0050.00515.50
7.0.220.0090.00615.44
7.0.210.0060.00915.56
7.0.200.0050.00816.04
7.0.190.0130.00315.53
7.0.180.0060.00915.77
7.0.170.0070.00715.48
7.0.160.0060.01015.50
7.0.150.0070.00415.52
7.0.140.0040.03117.78
7.0.130.0020.01215.58
7.0.120.0090.00615.45
7.0.110.0080.00315.31
7.0.100.0100.00515.57
7.0.90.0040.01015.64
7.0.80.0090.02617.13
7.0.70.0040.03317.06
7.0.60.0090.02617.04
7.0.50.0050.03317.20
7.0.40.0080.03115.83
7.0.30.0090.02915.79
7.0.20.0060.03215.75
7.0.10.0080.01915.71
7.0.00.0090.03015.76
5.6.400.0070.00714.75
5.6.390.0100.00314.89
5.6.380.0050.00714.67
5.6.370.0030.01114.38
5.6.360.0070.01014.38
5.6.350.0060.01114.70
5.6.340.0060.00314.57
5.6.330.0070.00914.82
5.6.320.0050.00814.52
5.6.310.0100.00414.31
5.6.300.0030.00714.61
5.6.290.0050.00614.38
5.6.280.0030.03016.50
5.6.270.0050.00914.62
5.6.260.0040.00914.39
5.6.250.0030.00914.50
5.6.240.0040.01314.54
5.6.230.0050.03216.57
5.6.220.0090.03316.42
5.6.210.0080.02816.46
5.6.200.0070.02916.63
5.6.190.0070.02316.74
5.6.180.0040.03116.86
5.6.170.0090.02216.66
5.6.160.0120.02916.56
5.6.150.0120.02916.72
5.6.140.0070.02716.62
5.6.130.0080.03016.57
5.6.120.0070.03516.79
5.6.110.0050.03016.79
5.6.100.0060.02616.53
5.6.90.0060.03316.62
5.6.80.0030.02316.32
5.6.70.0100.03116.30
5.6.60.0080.03016.38
5.6.50.0100.02616.35
5.6.40.0050.03516.39
5.6.30.0040.02516.50
5.6.20.0100.02216.33
5.6.10.0070.02016.46
5.6.00.0030.03316.36
5.5.380.0050.00812.58
5.5.370.0030.03515.32
5.5.360.0040.03715.47
5.5.350.0040.03315.34
5.5.340.0040.02515.57
5.5.330.0080.03115.55
5.5.320.0070.03415.72
5.5.310.0070.03015.50
5.5.300.0070.03115.66
5.5.290.0090.03015.52
5.5.280.0050.03215.58
5.5.270.0040.02215.57
5.5.260.0030.02715.58
5.5.250.0070.03015.43
5.5.240.0020.03215.34
5.5.230.0040.03115.39
5.5.220.0090.02415.22
5.5.210.0090.02715.38
5.5.200.0040.02615.42
5.5.190.0060.02315.27
5.5.180.0070.02915.30
5.5.170.0030.01012.81
5.5.160.0030.03415.30
5.5.150.0080.02615.33
5.5.140.0070.02915.15
5.5.130.0100.02915.33
5.5.120.0080.02715.37
5.5.110.0040.02415.21
5.5.100.0060.02915.28
5.5.90.0020.03515.30
5.5.80.0040.02315.22
5.5.70.0090.02815.22
5.5.60.0110.02415.16
5.5.50.0080.02315.08
5.5.40.0120.02515.24
5.5.30.0020.03515.30
5.5.20.0100.02915.15
5.5.10.0080.02815.31
5.5.00.0080.02615.35
5.4.450.0030.03213.98
5.4.440.0060.02513.94
5.4.430.0020.03614.11
5.4.420.0040.03314.03
5.4.410.0090.02414.01
5.4.400.0060.01913.88
5.4.390.0070.02513.84
5.4.380.0040.02013.84
5.4.370.0060.02813.79
5.4.360.0050.03213.87
5.4.350.0030.02013.81
5.4.340.0060.02913.76
5.4.330.0050.00511.21
5.4.320.0050.01913.78
5.4.310.0060.02813.88
5.4.300.0060.02413.83
5.4.290.0050.02113.76
5.4.280.0020.02513.96
5.4.270.0020.03113.69
5.4.260.0060.02013.86
5.4.250.0040.03013.85
5.4.240.0040.01613.92
5.4.230.0040.02013.73
5.4.220.0040.02413.75
5.4.210.0070.02013.63
5.4.200.0050.02113.75
5.4.190.0030.02913.75
5.4.180.0030.02313.97
5.4.170.0090.02913.77
5.4.160.0030.01813.79
5.4.150.0050.02813.83
5.4.140.0050.02913.05
5.4.130.0050.02512.90
5.4.120.0110.02512.84
5.4.110.0070.02813.01
5.4.100.0070.01912.99
5.4.90.0040.01713.06
5.4.80.0050.01512.94
5.4.70.0040.01512.91
5.4.60.0040.03012.87
5.4.50.0070.02212.81
5.4.40.0030.02812.75
5.4.30.0040.02313.01
5.4.20.0080.02313.00
5.4.10.0020.02312.97
5.4.00.0060.02512.76
5.3.290.0060.03012.03
5.3.280.0040.02412.02
5.3.270.0000.02612.06
5.3.260.0100.01712.03
5.3.250.0050.02912.02
5.3.240.0030.02211.85
5.3.230.0070.02711.88
5.3.220.0040.02911.97
5.3.210.0070.02911.89
5.3.200.0070.02611.96
5.3.190.0060.02611.93
5.3.180.0040.01911.95
5.3.170.0060.03012.10
5.3.160.0080.01712.02
5.3.150.0030.03311.87
5.3.140.0020.01812.17
5.3.130.0050.02811.98
5.3.120.0040.02212.00
5.3.110.0060.02511.94
5.3.100.0070.02711.83
5.3.90.0040.02711.78
5.3.80.0070.02611.77
5.3.70.0060.01911.81
5.3.60.0070.02611.78
5.3.50.0050.02211.74
5.3.40.0060.02911.71
5.3.30.0060.02411.67
5.3.20.0090.02211.67
5.3.10.0060.02211.54
5.3.00.0050.01711.52
5.2.170.0030.02110.75
5.2.160.0030.03110.72
5.2.150.0060.03210.72
5.2.140.0020.03010.66
5.2.130.0050.01810.75
5.2.120.0030.02710.61
5.2.110.0000.02410.69
5.2.100.0080.03010.68
5.2.90.0050.02010.70
5.2.80.0020.03710.62
5.2.70.0050.03110.68
5.2.60.0050.02010.67
5.2.50.0070.02210.70
5.2.40.0060.03110.68
5.2.30.0040.03210.58
5.2.20.0060.03110.59
5.2.10.0020.03510.62
5.2.00.0070.03210.54
5.1.60.0070.03010.05
5.1.50.0030.02510.18
5.1.40.0080.02410.12
5.1.30.0000.03410.32
5.1.20.0060.02710.29
5.1.10.0100.02310.16
5.1.00.0050.02710.21
5.0.50.0040.0259.45
5.0.40.0080.0199.33
5.0.30.0060.0319.27
5.0.20.0010.0219.27
5.0.10.0100.0199.28
5.0.00.0080.0239.12
4.4.90.0060.0088.76
4.4.80.0030.0118.76
4.4.70.0000.0228.76
4.4.60.0030.0138.76
4.4.50.0040.0188.76
4.4.40.0010.0238.76
4.4.30.0020.0228.76
4.4.20.0030.0208.76
4.4.10.0000.0198.76
4.4.00.0040.0228.76
4.3.110.0040.0188.76
4.3.100.0050.0178.76
4.3.90.0040.0168.76
4.3.80.0060.0288.76
4.3.70.0050.0178.76
4.3.60.0020.0148.76
4.3.50.0020.0178.76
4.3.40.0060.0258.76
4.3.30.0030.0188.76
4.3.20.0010.0218.76
4.3.10.0000.0218.76
4.3.00.0000.0218.76

preferences:
33.21 ms | 401 KiB | 5 Q