3v4l.org

run code in 300+ PHP versions simultaneously
<?php $default = '10px'; $string = trim( strtolower( (string) '-20%x' ) ); if( strpos( $string, 'auto') !== false || strpos( $string, '0') !== false || preg_match( '/[+-]?[0-9]+.?([0-9]+)?(em|ex|%|px|cm|mm|in|pt|pc|ch|rem|vh|vw|vmin|vmax)$/', $string ) ) { echo $string; } else { echo $default; }

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)
8.3.60.0190.00016.63
8.3.50.0050.01021.10
8.3.40.0090.00618.79
8.3.30.0100.00718.95
8.3.20.0000.00820.30
8.3.10.0030.00521.83
8.3.00.0080.00017.63
8.2.180.0040.01116.50
8.2.170.0140.00719.10
8.2.160.0070.01022.96
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0000.00722.27
8.2.110.0000.01021.07
8.2.100.0030.01017.63
8.2.90.0040.00419.24
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0060.00319.94
8.2.30.0050.00317.97
8.2.20.0040.00417.80
8.2.10.0000.00718.12
8.2.00.0070.00018.12
8.1.280.0070.01125.92
8.1.270.0000.00720.32
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0060.00321.24
8.1.230.0080.00417.70
8.1.220.0080.00017.77
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.13
8.1.180.0000.00718.10
8.1.170.0000.00818.65
8.1.160.0000.00821.96
8.1.150.0000.00718.88
8.1.140.0070.00417.56
8.1.130.0000.00717.57
8.1.120.0000.00717.44
8.1.110.0030.00517.41
8.1.100.0000.00717.45
8.1.90.0000.00717.43
8.1.80.0030.00617.49
8.1.70.0030.00317.41
8.1.60.0030.00617.57
8.1.50.0060.00317.39
8.1.40.0000.00817.40
8.1.30.0000.00817.68
8.1.20.0030.00517.55
8.1.10.0030.00617.50
8.1.00.0040.00417.44
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.50
8.0.270.0030.00317.17
8.0.260.0060.00017.25
8.0.250.0070.00317.02
8.0.240.0040.00417.02
8.0.230.0030.00516.89
8.0.220.0040.00416.85
8.0.210.0000.00816.86
8.0.200.0060.00016.95
8.0.190.0040.00417.04
8.0.180.0030.00616.89
8.0.170.0000.00717.04
8.0.160.0040.00416.91
8.0.150.0070.00016.98
8.0.140.0000.00716.91
8.0.130.0030.00313.39
8.0.120.0030.00516.82
8.0.110.0070.00016.78
8.0.100.0070.00016.97
8.0.90.0040.00416.84
8.0.80.0040.01116.90
8.0.70.0070.00016.86
8.0.60.0040.00416.77
8.0.50.0000.00816.94
8.0.30.0150.00617.05
8.0.20.0170.00517.40
8.0.10.0000.00716.97
8.0.00.0070.01016.71
7.4.330.0000.00515.14
7.4.320.0060.00016.61
7.4.300.0060.00016.59
7.4.290.0030.00516.59
7.4.280.0070.00016.64
7.4.270.0030.00316.60
7.4.260.0080.00416.50
7.4.250.0000.00716.42
7.4.240.0050.00316.60
7.4.230.0000.00816.70
7.4.220.0040.01316.63
7.4.210.0000.01416.53
7.4.200.0070.00016.65
7.4.160.0080.00816.53
7.4.150.0100.00717.40
7.4.140.0110.01117.86
7.4.130.0100.01016.63
7.4.120.0080.00916.26
7.4.110.0030.01316.48
7.4.100.0100.00716.59
7.4.90.0170.00016.40
7.4.80.0060.01419.39
7.4.70.0140.00816.47
7.4.60.0080.00816.59
7.4.50.0060.00316.31
7.4.40.0140.00816.48
7.4.30.0130.00516.80
7.4.00.0060.00915.13
7.3.330.0050.00013.08
7.3.320.0030.00313.16
7.3.310.0000.00716.36
7.3.300.0000.00616.33
7.3.290.0070.00916.30
7.3.280.0080.00916.34
7.3.270.0140.00717.40
7.3.260.0100.00716.10
7.3.250.0050.01216.33
7.3.240.0110.01116.27
7.3.230.0060.01716.50
7.3.210.0090.00916.48
7.3.200.0070.01419.39
7.3.190.0000.01616.26
7.3.180.0060.00916.65
7.3.170.0120.00316.32
7.3.160.0130.00316.45
7.3.10.0100.00716.40
7.3.00.0070.01116.23
7.2.330.0070.01016.55
7.2.320.0060.01016.75
7.2.310.0080.00816.61
7.2.300.0130.00316.72
7.2.290.0030.01316.63
7.2.130.0100.01016.45
7.2.120.0200.00516.45
7.2.110.0110.01116.52
7.2.100.0130.01716.39
7.2.90.0310.00316.14
7.2.80.0140.00716.40
7.2.70.0220.00216.19
7.2.60.0060.01316.54
7.2.50.0230.00616.45
7.2.40.0130.01016.32
7.2.30.0280.00016.45
7.2.20.0120.00616.46
7.2.10.0130.00616.71
7.2.00.0080.01018.04
7.1.250.0160.01215.36
7.1.100.0070.00717.94
7.1.70.0100.00717.13
7.1.60.0060.01319.59
7.1.50.0130.01016.95
7.1.00.0030.07722.25
7.0.200.0000.00716.66
7.0.60.0070.08319.89
7.0.50.0130.06317.87
7.0.40.0100.06320.24
7.0.30.0530.07020.09
7.0.20.0370.07020.16
7.0.10.0130.08320.32
7.0.00.0100.06720.05
5.6.280.0030.07321.02
5.6.210.0130.05020.47
5.6.200.0100.07318.13
5.6.190.0000.06320.57
5.6.180.3930.04720.35
5.6.170.0270.05720.48
5.6.160.0100.08320.52
5.6.150.0100.06318.14
5.6.140.0130.07318.20
5.6.130.0030.04318.11
5.6.120.0130.03721.09
5.6.110.0070.08021.13
5.6.100.0070.08320.97
5.6.90.0130.03720.92
5.6.80.0030.04320.39
5.6.70.0100.08020.34
5.5.350.0300.06320.42
5.5.340.0130.07317.89
5.5.330.0070.08720.14
5.5.320.0200.08320.31
5.5.310.0230.07720.50
5.5.300.0070.03718.02
5.5.290.0100.08017.96
5.5.280.0100.05020.80
5.5.270.0030.04020.67
5.5.260.0030.05320.88
5.5.250.0200.06720.46
5.5.240.0270.07720.34
5.4.450.0330.06319.58
5.4.440.0200.05319.60
5.4.430.0230.05719.36
5.4.420.0170.05319.27
5.4.410.0100.05319.28
5.4.400.0030.06018.82
5.4.390.0170.05019.04
5.4.380.0200.05019.15
5.4.370.0230.05319.16
5.4.360.0270.06319.00
5.4.350.0130.05019.25
5.4.340.0200.05019.09
5.4.320.0100.06018.83
5.4.310.0170.05319.14
5.4.300.0100.06318.84
5.4.290.0330.04719.09
5.4.280.0130.05719.08
5.4.270.0200.04319.15
5.4.260.0170.04318.80
5.4.250.0070.05719.00
5.4.240.0230.05318.99
5.4.230.0370.05719.08
5.4.220.0200.05319.21
5.4.210.0200.06718.91
5.4.200.0100.05716.69
5.4.190.0270.04018.82
5.4.180.0200.05019.02
5.4.170.0130.05719.18
5.4.160.0030.05718.91
5.4.150.0070.05319.11
5.4.140.0500.05316.35
5.4.130.0500.05016.22
5.4.120.0670.04016.24
5.4.110.0730.03716.29
5.4.100.0600.05016.31
5.4.90.0730.04716.44
5.4.80.0600.05716.32
5.4.70.0500.06016.31
5.4.60.0570.05716.15
5.4.50.0170.04716.09
5.4.40.0200.04716.43
5.4.30.0170.04716.18
5.4.20.0200.04716.36
5.4.10.0130.05716.30
5.4.00.0170.04715.79
5.3.290.0100.06014.46
5.3.280.0200.04714.43
5.3.270.0170.05014.53
5.3.260.0170.05014.49
5.3.250.0130.05314.54
5.3.240.0130.05314.44
5.3.230.0330.03714.41
5.3.220.0230.04314.37
5.3.210.0130.05314.41
5.3.200.0200.04714.51
5.3.190.0170.05014.51
5.3.180.0070.06014.41
5.3.170.0100.05314.37
5.3.160.0100.05714.40
5.3.150.0170.05314.40
5.3.140.0230.04314.37
5.3.130.0000.06714.43
5.3.120.0170.05014.33
5.3.110.0170.05014.41
5.3.100.0130.05313.98
5.3.90.0200.04313.86
5.3.80.0130.05013.96
5.3.70.0170.05013.93
5.3.60.0070.06013.94
5.3.50.0200.04313.83
5.3.40.0170.04713.78
5.3.30.0130.05013.70
5.3.20.0170.04713.46
5.3.10.0130.05013.63
5.3.00.0130.05013.43
5.2.170.0070.04710.96
5.2.160.0070.04310.95
5.2.150.0130.04011.14
5.2.140.0030.05711.01
5.2.130.0300.04310.96
5.2.120.0100.05311.04
5.2.110.0130.03710.95
5.2.100.0200.03010.96
5.2.90.0130.04010.95
5.2.80.0130.04010.93
5.2.70.0170.03710.93
5.2.60.0130.05011.07
5.2.50.0170.03710.88
5.2.40.0100.04010.83
5.2.30.0070.04311.02
5.2.20.0170.03310.82
5.2.10.0070.04310.75
5.2.00.0030.04710.73
5.1.60.0170.0309.89
5.1.50.0200.0279.92
5.1.40.0130.0309.97
5.1.30.0070.03710.20
5.1.20.0170.03010.30
5.1.10.0130.0339.92
5.1.00.0170.04710.06
5.0.50.0100.0238.54
5.0.40.0100.0238.30
5.0.30.0070.0408.25
5.0.20.0070.0278.27
5.0.10.0100.0238.10
5.0.00.0130.0338.05
4.4.90.0030.0235.86
4.4.80.0030.0235.85
4.4.70.0100.0175.79
4.4.60.0070.0205.77
4.4.50.0130.0135.81
4.4.40.0070.0335.77
4.4.30.0100.0175.80
4.4.20.0070.0205.83
4.4.10.0100.0175.92
4.4.00.0100.0305.80
4.3.110.0070.0205.66
4.3.100.0100.0175.71
4.3.90.0030.0235.80
4.3.80.0070.0335.67
4.3.70.0070.0205.64
4.3.60.0070.0205.75
4.3.50.0000.0275.77
4.3.40.0070.0305.78
4.3.30.0000.0274.43
4.3.20.0030.0204.42
4.3.10.0030.0204.50
4.3.00.0030.0207.51

preferences:
50.24 ms | 401 KiB | 5 Q