3v4l.org

run code in 300+ PHP versions simultaneously
<?php function normalise($string) { preg_match('~[a-z0-9]+$~i', $string, $match); if ( ! isset($match[0])) { return false; } return strtoupper($match[0]); } echo normalise('Deu-12345tx'), 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)
8.3.60.0120.00318.30
8.3.50.0120.00722.17
8.3.40.0070.00718.84
8.3.30.0070.00720.13
8.3.20.0080.00019.02
8.3.10.0040.00419.37
8.3.00.0090.00019.44
8.2.180.0150.00616.38
8.2.170.0120.00322.96
8.2.160.0150.00020.35
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00419.64
8.2.110.0080.00320.98
8.2.100.0050.01017.72
8.2.90.0000.00819.05
8.2.80.0040.00817.97
8.2.70.0000.00817.75
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0030.00617.98
8.2.20.0080.00017.67
8.2.10.0040.00417.76
8.2.00.0050.00517.77
8.1.280.0070.01125.92
8.1.270.0050.00323.99
8.1.260.0100.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00322.67
8.1.230.0080.00317.77
8.1.220.0030.00517.74
8.1.210.0040.00418.77
8.1.200.0000.00817.36
8.1.190.0060.00317.48
8.1.180.0030.00518.10
8.1.170.0000.00818.78
8.1.160.0060.00318.95
8.1.150.0040.00418.70
8.1.140.0040.00417.58
8.1.130.0000.00717.85
8.1.120.0030.00617.57
8.1.110.0020.00517.65
8.1.100.0000.00817.55
8.1.90.0040.00417.50
8.1.80.0000.00817.53
8.1.70.0030.00317.50
8.1.60.0030.00617.63
8.1.50.0030.00517.46
8.1.40.0040.00417.61
8.1.30.0030.00617.62
8.1.20.0060.00317.64
8.1.10.0050.00317.69
8.1.00.0020.00517.50
8.0.300.0050.00518.77
8.0.290.0030.00516.75
8.0.280.0000.00820.10
8.0.270.0000.00717.14
8.0.260.0040.00416.89
8.0.250.0050.00317.04
8.0.240.0000.00917.06
8.0.230.0000.00717.01
8.0.220.0000.00716.86
8.0.210.0040.00416.84
8.0.200.0030.00317.03
8.0.190.0080.00017.05
8.0.180.0030.00517.07
8.0.170.0040.00416.88
8.0.160.0000.00716.97
8.0.150.0040.00416.91
8.0.140.0000.00716.94
8.0.130.0000.00613.43
8.0.120.0080.00016.90
8.0.110.0040.00416.83
8.0.100.0040.00416.77
8.0.90.0070.00016.91
8.0.80.0100.01216.95
8.0.70.0000.00716.92
8.0.60.0040.00416.97
8.0.50.0050.00216.80
8.0.30.0120.00717.19
8.0.20.0090.01617.40
8.0.10.0050.00316.93
8.0.00.0130.00716.82
7.4.330.0050.00016.81
7.4.320.0000.00616.72
7.4.300.0030.00316.65
7.4.290.0000.00716.71
7.4.280.0000.00716.64
7.4.270.0030.00316.73
7.4.260.0000.00816.71
7.4.250.0050.00316.72
7.4.240.0080.00016.64
7.4.230.0000.00716.54
7.4.220.0080.01316.77
7.4.210.0140.00416.51
7.4.200.0040.00316.55
7.4.190.0030.00316.79
7.4.160.0040.01816.55
7.4.150.0100.00717.40
7.4.140.0090.00817.86
7.4.130.0150.00416.66
7.4.120.0080.00916.75
7.4.110.0090.01216.84
7.4.100.0070.01016.61
7.4.90.0110.00716.67
7.4.80.0100.01319.39
7.4.70.0100.00716.34
7.4.60.0100.00716.59
7.4.50.0040.00416.57
7.4.40.0030.00722.77
7.4.30.0100.00616.72
7.4.00.0090.00314.96
7.3.330.0000.00513.28
7.3.320.0050.00013.45
7.3.310.0030.00316.45
7.3.300.0040.00416.38
7.3.290.0050.00916.46
7.3.280.0110.00716.46
7.3.270.0160.00317.40
7.3.260.0080.01218.24
7.3.250.0160.00416.57
7.3.240.0100.00716.71
7.3.230.0060.01116.48
7.3.210.0100.00716.73
7.3.200.0090.01219.39
7.3.190.0100.00716.62
7.3.180.0070.01016.78
7.3.170.0080.01216.63
7.3.160.0090.00616.66
7.3.120.0000.00914.91
7.2.330.0000.01616.64
7.2.320.0100.00716.86
7.2.310.0030.01416.72
7.2.300.0070.01716.91
7.2.290.0130.00416.83
7.2.00.0030.01019.62
7.1.100.0000.01418.29
7.1.70.0030.00717.29
7.1.60.0100.01419.24
7.1.50.0030.02017.28
7.1.00.0030.03322.37
7.0.200.0030.00716.89
7.0.140.0070.07322.00
7.0.70.4470.04719.85
7.0.60.0100.07019.93
7.0.50.0100.07717.75
7.0.40.0100.05720.11
7.0.30.0370.05720.27
7.0.20.0270.06020.23
7.0.10.0200.07320.32
7.0.00.0030.05720.11
5.6.210.0030.04320.46
5.6.200.0100.08318.19
5.6.190.0030.07320.62
5.6.180.0030.04320.36
5.6.170.0270.03320.51
5.6.160.0100.07720.43
5.6.150.0070.04718.27
5.6.140.0100.05018.18
5.6.130.0100.07718.29
5.6.120.0100.07021.11
5.6.110.0100.09020.99
5.6.100.0070.07320.99
5.6.90.0170.06720.97
5.6.80.0000.07320.51
5.6.70.0030.06320.39
5.5.350.0100.08020.50
5.5.340.0130.08018.07
5.5.330.0100.08020.43
5.5.320.0070.07720.43
5.5.310.0300.08320.20
5.5.300.0070.07317.95
5.5.290.0100.05717.95
5.5.280.0100.08020.80
5.5.270.0070.04020.89
5.5.260.0070.04020.64
5.5.250.0030.09020.50
5.5.240.0030.07320.12
5.4.450.3700.03319.30
5.4.440.4030.03719.59
5.4.430.3670.04319.31
5.4.420.3570.04319.58
5.4.410.4300.04019.35
5.4.400.4000.03719.23
5.4.390.3970.04018.93
5.4.380.3600.03719.25
5.4.370.3730.04019.13
5.4.360.3830.04719.20
5.4.350.3670.03719.20
5.4.340.3800.04318.93
5.4.320.3900.04019.23
5.4.310.3570.04019.06
5.4.300.3530.04019.25
5.4.290.3930.03019.17
5.4.280.3770.03719.20
5.4.270.3730.04019.00
5.4.260.3630.03319.22
5.4.250.3800.03718.93
5.4.240.3770.04019.12
5.4.230.3830.02318.93
5.4.220.3930.03719.16
5.4.210.3870.03719.21
5.4.200.3800.04019.22
5.4.190.2700.03719.04
5.4.180.3000.04319.20
5.4.170.3400.04019.05
5.4.160.3400.04019.24
5.4.150.3630.04019.19
5.4.140.3530.04016.41
5.4.130.3000.03316.43
5.4.120.3600.03016.46
5.4.110.3830.03716.53
5.4.100.3630.04016.57
5.4.90.3900.03016.59
5.4.80.2930.03716.52
5.4.70.3770.04716.59
5.4.60.3730.03316.42
5.4.50.3870.03316.59
5.4.40.3900.03016.49
5.4.30.3830.03316.50
5.4.20.3800.03316.45
5.4.10.3600.03016.41
5.4.00.3930.03715.82
5.3.290.3630.03314.66
5.3.280.3570.03714.59
5.3.270.3500.04014.60
5.3.260.3330.03014.57
5.3.250.3470.04314.49
5.3.240.3070.03314.63
5.3.230.3930.04714.64
5.3.220.3830.03314.73
5.3.210.3530.03714.60
5.3.200.3530.03714.64
5.3.190.3900.03314.74
5.3.180.3830.03314.55
5.3.170.3670.04014.48
5.3.160.3570.03714.57
5.3.150.3870.03714.57
5.3.140.3630.03714.70
5.3.130.3930.03314.61
5.3.120.3800.04314.59
5.3.110.3870.03714.58
5.3.100.3530.03713.93
5.3.90.4370.04014.02
5.3.80.4270.02714.02
5.3.70.4530.03714.03
5.3.60.4470.03014.00
5.3.50.4470.03713.86
5.3.40.4400.03013.95
5.3.30.4530.03313.90
5.3.20.3900.03713.83
5.3.10.4470.04313.56
5.3.00.4000.03713.66
5.2.170.3700.03711.20
5.2.160.3870.03011.18
5.2.150.3600.02711.11
5.2.140.3000.03011.15
5.2.130.3030.03011.26
5.2.120.3800.02711.02
5.2.110.3470.03310.98
5.2.100.3470.03311.11
5.2.90.3770.02711.25
5.2.80.3430.04711.01
5.2.70.3830.04011.09
5.2.60.3200.02711.04
5.2.50.2970.03010.96
5.2.40.2430.03011.04
5.2.30.2600.03010.97
5.2.20.2570.02310.98
5.2.10.2730.03311.02
5.2.00.2600.03010.74
5.1.60.2570.02310.05
5.1.50.2700.02310.14
5.1.40.2600.0279.94
5.1.30.2330.03010.31
5.1.20.2900.02310.38
5.1.10.2870.02710.05
5.1.00.2800.02710.05
5.0.50.1530.0178.50
5.0.40.1700.0208.55
5.0.30.1600.0308.21
5.0.20.1500.0178.34
5.0.10.1700.0208.23
5.0.00.1470.0308.21
4.4.90.1170.0175.91
4.4.80.1170.0175.91
4.4.70.1630.0105.91
4.4.60.1470.0175.91
4.4.50.0800.0175.91
4.4.40.1430.0235.91
4.4.30.1170.0175.91
4.4.20.1430.0135.91
4.4.10.1770.0175.91
4.4.00.1430.0235.92
4.3.110.1630.0175.91
4.3.100.1670.0135.91
4.3.90.1730.0175.91
4.3.80.1400.0305.91
4.3.70.1500.0175.91
4.3.60.1300.0135.91
4.3.50.1400.0135.91
4.3.40.1500.0235.91
4.3.30.0700.0105.91
4.3.20.0600.0175.91
4.3.10.0700.0135.91
4.3.00.0800.0175.91

preferences:
46.1 ms | 401 KiB | 5 Q