3v4l.org

run code in 300+ PHP versions simultaneously
<?php $datetimes = [ '2003-01-28 01:23:45', '2007-04-04', '0000-00-00 00:00:00', '0000-00-00', '', null ]; foreach ($datetimes as $datetime) { sscanf($datetime, '%s', $sscanf); var_export( [ 'substr' => substr($datetime, 0, 10), 'explode' => explode(' ', $datetime, 2)[0], 'sscanf' => $sscanf, 'preg_replace' => preg_replace('/ .+/', '', $datetime), 'format' => (new \DateTime($datetime))->format('Y-m-d'), 'date&strtotime' => date("Y-m-d", strtotime($datetime)), 'strtok' => strtok($datetime, ' '), 'strstr' => strstr($datetime . ' ', ' ', true), 'substr_replace' => substr_replace($datetime, '', 10), 'preg_filter' => preg_filter('/.{10}\K.*/', '', $datetime), ] ); unset($sscanf); echo "\n---\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)
8.5.30.0100.00919.54
8.5.20.0110.00620.33
8.5.10.0090.00719.76
8.5.00.0100.01120.54
8.4.180.0140.00920.08
8.4.170.0130.00923.79
8.4.160.0140.00824.07
8.4.150.0080.00517.11
8.4.140.0140.00718.34
8.4.130.0110.01118.39
8.4.120.0130.00822.25
8.4.110.0140.00722.54
8.4.100.0120.00518.56
8.4.90.0090.00820.84
8.4.80.0170.00318.92
8.4.70.0140.00218.73
8.4.60.0150.00720.60
8.4.50.0140.00520.79
8.4.40.0070.01418.25
8.4.30.0030.00623.95
8.4.20.0060.00320.14
8.4.10.0110.00719.76
8.3.300.0120.00920.95
8.3.290.0130.00818.98
8.3.280.0130.00718.98
8.3.270.0190.00817.06
8.3.260.0130.00717.14
8.3.250.0110.00717.25
8.3.240.0140.00717.13
8.3.230.0110.00916.99
8.3.220.0100.00918.96
8.3.210.0110.00817.31
8.3.200.0070.00217.05
8.3.190.0120.00717.36
8.3.180.0090.00918.85
8.3.170.0130.00717.38
8.3.160.0030.01018.70
8.3.150.0100.01017.19
8.3.140.0040.00417.31
8.3.130.0090.00617.22
8.3.120.0410.00416.79
8.3.110.0350.00816.76
8.3.100.0450.00416.91
8.3.90.0410.00716.82
8.3.80.0390.00917.23
8.3.70.0420.00416.98
8.3.60.0360.01117.16
8.3.50.0290.01416.96
8.3.40.0290.01917.90
8.3.30.0270.01517.78
8.3.20.0290.01317.64
8.3.10.0340.00317.84
8.3.00.0160.01219.72
8.2.300.0150.00818.91
8.2.290.0130.00717.21
8.2.280.0100.00518.64
8.2.270.0090.00916.97
8.2.260.0140.00417.39
8.2.250.0000.00817.10
8.2.240.0340.01016.57
8.2.230.0290.00716.83
8.2.220.0220.01116.77
8.2.210.0310.00916.79
8.2.200.0340.00717.06
8.2.190.0270.01216.78
8.2.180.0370.00316.80
8.2.170.0300.01118.02
8.2.160.0320.01017.97
8.2.150.0320.00617.70
8.2.140.0300.00317.91
8.2.130.0270.00917.67
8.2.120.0340.00618.02
8.2.110.0330.00917.94
8.2.100.0340.00417.89
8.2.90.0400.00817.76
8.2.80.0320.01017.71
8.2.70.0370.00617.65
8.2.60.0340.00617.65
8.2.50.0340.00317.74
8.2.40.0270.01217.63
8.2.30.0370.00617.63
8.2.20.0350.00317.46
8.2.10.0310.00817.64
8.2.00.0360.00317.63
8.1.340.0150.00818.05
8.1.330.0080.01122.10
8.1.320.0120.00918.44
8.1.310.0110.00418.82
8.1.300.0320.00816.36
8.1.290.0390.00416.55
8.1.280.0310.01416.17
8.1.270.0360.00017.58
8.1.260.0260.01117.54
8.1.250.0350.00817.68
8.1.240.0330.01017.50
8.1.230.0330.00717.74
8.1.220.0320.00917.71
8.1.210.0220.01217.57
8.1.200.0240.01017.47
8.1.190.0270.01117.64
8.1.180.0360.00017.35
8.1.170.0260.01317.71
8.1.160.0310.00717.86
8.1.150.0290.00917.68
8.1.140.0260.01217.64
8.1.130.0240.01217.45
8.1.120.0330.00417.50
8.1.110.0350.00317.59
8.1.100.0320.00817.58
8.1.90.0350.00617.50
8.1.80.0400.00017.58
8.1.70.0160.00317.68
8.1.60.0190.00017.69
8.1.50.0220.00417.79
8.1.40.0230.00017.78
8.1.30.0330.00717.91
8.1.20.0230.01917.61
8.1.10.0330.00817.47
8.1.00.0170.00517.66

preferences:
45 ms | 1339 KiB | 5 Q