3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subusers = [" hey", " h i", " ", "wh@t"]; foreach ($subusers as $subuser) { echo "Assess \"$subuser\":\t"; if (!strlen($subuser = trim($subuser))) { echo "* Username not entered"; //} elseif (!preg_match('/^[\da-z]+$/i', $subuser)) { } elseif (!ctype_alnum($subuser)) { echo "* Username not alphanumeric"; } echo "\n"; }

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)
8.3.60.0110.00818.30
8.3.50.0110.00816.34
8.3.40.0100.00618.84
8.3.30.0150.00318.71
8.3.20.0080.00018.73
8.3.10.0050.00321.59
8.3.00.0050.00323.66
8.2.180.0140.00716.63
8.2.170.0120.00322.96
8.2.160.0090.00618.84
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.53
8.2.110.0030.00620.93
8.2.100.0110.00017.84
8.2.90.0040.00417.91
8.2.80.0050.00317.97
8.2.70.0030.00618.03
8.2.60.0000.00718.22
8.2.50.0050.00318.10
8.2.40.0000.00819.34
8.2.30.0000.00720.48
8.2.20.0070.00018.06
8.2.10.0080.00018.13
8.2.00.0030.00618.04
8.1.280.0070.00725.92
8.1.270.0060.00320.21
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.88
8.1.230.0060.00622.72
8.1.220.0050.00317.74
8.1.210.0000.00918.77
8.1.200.0090.00317.35
8.1.190.0000.00817.23
8.1.180.0030.00718.10
8.1.170.0060.00318.45
8.1.160.0040.00418.80
8.1.150.0000.00718.88
8.1.140.0070.00018.81
8.1.130.0030.00320.26
8.1.120.0000.00717.43
8.1.110.0000.00717.50
8.1.100.0040.00417.47
8.1.90.0000.00717.41
8.1.80.0040.00417.44
8.1.70.0030.00617.44
8.1.60.0100.00017.57
8.1.50.0070.00017.50
8.1.40.0000.00817.57
8.1.30.0000.00817.48
8.1.20.0000.00717.67
8.1.10.0000.00817.50
8.1.00.0050.00217.49
8.0.300.0060.00319.53
8.0.290.0040.00416.63
8.0.280.0080.00018.37
8.0.270.0030.00317.21
8.0.260.0060.00020.13
8.0.250.0070.00016.96
8.0.240.0050.00216.87
8.0.230.0000.00716.87
8.0.220.0000.00716.82
8.0.210.0040.00416.76
8.0.200.0090.00016.91
8.0.190.0000.00816.82
8.0.180.0000.00716.90
8.0.170.0030.00616.87
8.0.160.0040.00416.84
8.0.150.0070.00416.79
8.0.140.0040.00416.91
8.0.130.0000.00613.19
8.0.120.0050.00316.90
8.0.110.0000.00716.84
8.0.100.0050.00216.68
8.0.90.0070.00016.85
8.0.80.0080.00816.82
8.0.70.0080.00016.75
8.0.60.0040.00416.88
8.0.50.0040.00316.75
8.0.30.0100.00917.05
8.0.20.0060.01217.40
8.0.10.0040.00417.02
8.0.00.0090.00916.85
7.4.330.0000.00615.55
7.4.320.0000.00616.50
7.4.300.0000.00616.62
7.4.290.0020.00516.57
7.4.280.0070.00016.45
7.4.270.0080.00016.63
7.4.260.0000.00816.36
7.4.250.0040.00416.38
7.4.240.0040.00416.46
7.4.230.0030.00316.50
7.4.220.0030.00316.43
7.4.210.0140.00216.45
7.4.200.0070.00016.39
7.4.160.0130.00616.40
7.4.140.0070.01017.86
7.4.130.0170.00616.49
7.4.120.0100.01016.45
7.4.110.0080.00816.62
7.4.100.0130.01016.46
7.4.90.0090.00916.35
7.4.80.0110.00619.39
7.4.70.0180.00916.74
7.4.60.0130.00316.39
7.4.50.0090.00316.57
7.4.40.0160.00016.55
7.4.00.0030.01314.90
7.3.330.0080.00013.19
7.3.320.0000.00613.25
7.3.310.0030.00316.41
7.3.300.0070.00016.31
7.3.290.0090.00616.29
7.3.280.0100.00716.29
7.3.260.0130.00616.39
7.3.240.0120.00516.43
7.3.230.0030.01316.53
7.3.210.0030.01316.54
7.3.200.0070.01116.25
7.3.190.0060.00916.44
7.3.180.0110.01116.34
7.3.170.0160.00616.28
7.3.160.0100.00616.53
7.3.120.0090.00714.85
7.3.110.0050.01314.80
7.3.100.0050.00814.80
7.3.90.0020.01014.97
7.3.80.0070.00614.73
7.3.70.0090.00414.69
7.3.60.0080.00614.87
7.3.50.0070.00214.80
7.3.40.0020.01314.76
7.3.30.0070.00514.82
7.3.20.0080.00616.68
7.3.10.0020.01116.74
7.3.00.0070.00816.74
7.2.330.0030.01616.57
7.2.320.0060.01616.43
7.2.310.0170.00016.69
7.2.300.0140.00516.58
7.2.290.0100.00716.52
7.2.250.0060.01415.04
7.2.240.0140.00715.10
7.2.230.0050.01014.94
7.2.220.0040.00814.94
7.2.210.0020.01214.97
7.2.200.0080.00814.98
7.2.190.0050.00915.16
7.2.180.0030.01015.13
7.2.170.0050.00615.03
7.2.100.2350.00914.26
7.2.90.2900.00314.55
7.2.80.3990.00314.51
7.2.70.3510.01314.97
7.2.60.2570.01014.66
7.2.50.4550.01615.05
7.2.40.4750.01014.73
7.2.30.3690.00314.64
7.2.20.3690.00714.91
7.2.10.3110.01014.68
7.2.00.2990.01014.70
7.1.330.0030.01015.79
7.1.320.0070.00715.90
7.1.310.0030.01015.69
7.1.300.0020.01115.74
7.1.290.0090.00515.76
7.1.280.0000.01315.86
7.1.270.0050.00715.85
7.1.260.0080.00715.91
7.1.220.3010.01013.48
7.1.210.2700.00613.99
7.1.200.3440.01013.65
7.1.190.3580.00714.01
7.1.180.3800.00613.57
7.1.170.3730.01613.86
7.1.160.3760.00313.79
7.1.150.3300.01013.71
7.1.140.2030.01213.18
7.1.130.4260.00313.25
7.1.120.4140.00713.69
7.1.110.3800.00713.82
7.1.100.3210.00313.89
7.1.90.0110.00713.70
7.1.80.1640.00713.61
7.1.70.2560.01613.48
7.1.60.3580.00331.48
7.1.50.3610.00331.43
7.1.40.2800.01031.75
7.1.30.3930.00731.45
7.1.20.3590.00331.77
7.1.10.5350.01013.73
7.1.00.2150.01013.51
5.6.380.0030.01513.94

preferences:
72.13 ms | 400 KiB | 5 Q