3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'pippo ASC, `table`.`pippo` DESC, campo.discendente DESC, `tabella`.`asc` ASC'; $string = preg_replace_callback('#\b[^\`](ASC|DESC)\b#i', function($match) { switch(strtoupper($match[1])) { case 'ASC': return 'DESC'; case 'DESC': return 'ASC'; } }, $string); echo $string;

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)
8.3.40.0110.00319.00
8.3.30.0150.00018.96
8.3.20.0040.00418.76
8.3.10.0030.01021.14
8.3.00.0080.00023.53
8.2.170.0140.00722.96
8.2.160.0080.00620.37
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0040.00419.61
8.2.110.0100.00020.52
8.2.100.0070.00418.03
8.2.90.0040.00419.40
8.2.80.0000.00817.97
8.2.70.0000.00817.75
8.2.60.0040.00418.05
8.2.50.0040.00418.07
8.2.40.0040.00418.32
8.2.30.0000.00819.89
8.2.20.0000.00818.01
8.2.10.0020.00517.96
8.2.00.0040.00717.92
8.1.270.0060.00323.99
8.1.260.0120.00626.35
8.1.250.0040.00428.09
8.1.240.0100.00021.25
8.1.230.0060.00620.97
8.1.220.0040.00418.77
8.1.210.0000.00818.91
8.1.200.0000.00817.60
8.1.190.0000.00817.53
8.1.180.0030.00618.10
8.1.170.0000.00918.84
8.1.160.0050.00319.00
8.1.150.0000.00818.81
8.1.140.0040.00417.61
8.1.130.0000.00717.92
8.1.120.0080.00017.64
8.1.110.0030.00517.62
8.1.100.0000.00917.65
8.1.90.0050.00217.68
8.1.80.0030.00617.61
8.1.70.0000.00717.60
8.1.60.0080.00017.73
8.1.50.0000.00817.69
8.1.40.0080.00017.70
8.1.30.0000.00917.77
8.1.20.0030.00517.84
8.1.10.0030.00617.76
8.1.00.0070.00417.57
8.0.300.0000.00819.89
8.0.290.0030.00516.93
8.0.280.0000.00718.36
8.0.270.0000.00717.16
8.0.260.0000.00616.98
8.0.250.0040.00417.07
8.0.240.0000.00817.02
8.0.230.0050.00317.08
8.0.220.0040.00416.92
8.0.210.0040.00317.01
8.0.200.0050.00317.09
8.0.190.0000.00817.00
8.0.180.0000.00816.96
8.0.170.0000.00817.05
8.0.160.0040.00417.13
8.0.150.0000.01017.03
8.0.140.0040.00417.00
8.0.130.0000.00513.50
8.0.120.0030.00516.89
8.0.110.0030.00316.87
8.0.100.0040.00416.89
8.0.90.0040.00416.95
8.0.80.0040.01117.02
8.0.70.0040.00417.08
8.0.60.0000.00817.09
8.0.50.0060.00316.88
8.0.30.0060.01417.15
8.0.20.0100.00917.40
8.0.10.0040.00417.16
8.0.00.0090.00816.86
7.4.330.0000.00514.86
7.4.320.0040.00416.83
7.4.300.0020.00516.82
7.4.290.0040.00416.79
7.4.280.0000.00716.66
7.4.270.0040.00416.83
7.4.260.0060.00013.50
7.4.250.0030.00516.73
7.4.240.0000.00716.81
7.4.230.0000.00716.83
7.4.220.0000.01616.72
7.4.210.0060.00916.79
7.4.200.0050.00216.52
7.4.190.0070.00316.83
7.4.160.0140.00316.62
7.4.150.0040.01517.40
7.4.140.0110.00717.86
7.4.130.0080.00816.67
7.4.120.0110.00616.74
7.4.110.0060.01616.62
7.4.100.0030.01416.80
7.4.90.0100.00716.80
7.4.80.0160.00619.37
7.4.70.0140.00316.48
7.4.60.0170.00016.67
7.4.50.0060.00316.55
7.4.40.0000.01222.27
7.4.30.0160.00616.85
7.4.00.0100.00615.02
7.3.330.0000.00513.50
7.3.320.0060.00013.37
7.3.310.0030.00316.30
7.3.300.0070.00016.40
7.3.290.0100.00716.54
7.3.280.0070.01116.49
7.3.270.0100.00717.40
7.3.260.0100.01018.24
7.3.250.0090.01416.63
7.3.240.0030.01316.73
7.3.230.0090.01316.51
7.3.210.0060.01316.54
7.3.200.0110.01019.39
7.3.190.0080.00816.61
7.3.180.0060.00916.73
7.3.170.0060.00916.41
7.3.160.0130.01016.62
7.3.120.0040.01114.68
7.2.330.0090.00916.67
7.2.320.0080.00816.77
7.2.310.0060.01216.77
7.2.300.0080.00916.95
7.2.290.0150.00316.86
7.2.00.0030.01319.56
7.1.100.0030.00718.50
7.1.70.0000.00817.28
7.1.60.0090.01519.40
7.1.50.0140.01017.12
7.1.00.0130.05322.32
7.0.200.0030.00617.09
7.0.140.0030.07321.99
7.0.60.0300.06319.87
7.0.50.0400.05020.36
7.0.40.0000.08019.96
7.0.30.0170.08319.93
7.0.20.0000.06720.07
7.0.10.0000.08020.07
7.0.00.0230.07320.07
5.6.280.0030.07321.08
5.6.210.0300.05320.66
5.6.200.0230.06721.13
5.6.190.0330.07021.13
5.6.180.0270.07721.13
5.6.170.2830.03720.98
5.6.160.0270.07020.90
5.6.150.0270.04321.13
5.6.140.0370.06321.12
5.6.130.0370.06320.97
5.6.120.0230.05721.13
5.6.110.0200.05321.02
5.6.100.0170.07320.98
5.6.90.0200.06320.95
5.6.80.0130.05320.40
5.6.70.0200.07720.38
5.6.60.0230.07020.35
5.6.50.0200.07720.51
5.6.40.0270.06320.48
5.6.30.0170.07720.38
5.6.20.0270.07020.34
5.6.10.0270.07720.48
5.6.00.0330.07020.39
5.5.350.0170.05020.36
5.5.340.0300.04320.66
5.5.330.0330.05720.74
5.5.320.0300.05020.77
5.5.310.2100.04720.96
5.5.300.0370.06720.77
5.5.290.0300.07020.88
5.5.280.0400.06020.80
5.5.270.0200.06320.94
5.5.260.0270.06720.87
5.5.250.0170.04320.55
5.5.240.0270.03720.19
5.5.230.0170.07720.34
5.5.220.0230.05720.36
5.5.210.0200.09320.04
5.5.200.0200.08320.02
5.5.190.0130.08320.20
5.5.180.0170.04320.15
5.5.160.0300.07720.22
5.5.150.0370.06320.23
5.5.140.0300.07720.15
5.5.130.0330.05020.31
5.5.120.0300.07020.14
5.5.110.0330.07020.21
5.5.100.0330.06320.05
5.5.90.0470.06020.11
5.5.80.0330.07020.01
5.5.70.0300.07019.86
5.5.60.0270.06320.03
5.5.50.0200.04020.07
5.5.40.0230.04320.11
5.5.30.0300.06020.10
5.5.20.0200.04019.96
5.5.10.0330.07319.89
5.5.00.0400.06320.03
5.4.450.0100.06719.23
5.4.440.0270.07719.45
5.4.430.0200.06319.48
5.4.420.0270.08319.25
5.4.410.0200.05319.24
5.4.400.0270.07019.17
5.4.390.0330.06318.90
5.4.380.0200.06319.22
5.4.370.0230.05019.04
5.4.360.0270.07319.17
5.4.350.0230.05719.20
5.4.340.0230.06719.16
5.4.320.0330.07719.07
5.4.310.0330.06319.22
5.4.300.0370.07019.16
5.4.290.0270.05319.20
5.4.280.0270.04319.05
5.4.270.0370.07019.01
5.4.260.0330.07319.20
5.4.250.0300.07019.01
5.4.240.0400.06019.03
5.4.230.0370.06318.90
5.4.220.0230.04719.02
5.4.210.0230.04019.00
5.4.200.0170.04018.91
5.4.190.0330.06719.07
5.4.180.0270.06019.04
5.4.170.0370.06719.11
5.4.160.0370.07019.04
5.4.150.0370.06319.05
5.4.140.0330.06316.41
5.4.130.0270.06316.36
5.4.120.0370.07016.22
5.4.110.0300.07016.50
5.4.100.0300.07316.33
5.4.90.0270.06716.54
5.4.80.0330.07016.36
5.4.70.0400.05716.39
5.4.60.0330.06316.29
5.4.50.0300.05716.38
5.4.40.0370.05716.40
5.4.30.0330.05716.22
5.4.20.0400.05716.46
5.4.10.0230.06016.34
5.4.00.0300.03715.85
5.3.290.0370.06314.71
5.3.280.0300.07014.55
5.3.270.0270.07714.68
5.3.260.0330.07314.64
5.3.250.0400.06314.70
5.3.240.0400.06314.71
5.3.230.0300.06714.68
5.3.220.0300.07314.61
5.3.210.0330.07314.57
5.3.200.0270.07714.61
5.3.190.0300.06714.61
5.3.180.0300.07014.41
5.3.170.0300.06714.61
5.3.160.0300.07014.64
5.3.150.0300.07314.61
5.3.140.0270.07014.52
5.3.130.0430.06314.60
5.3.120.0370.06714.59
5.3.110.0270.07314.64
5.3.100.0370.06314.05
5.3.90.0300.05314.08
5.3.80.0300.06714.04
5.3.70.0330.04714.09
5.3.60.0230.08014.05
5.3.50.0300.05714.03
5.3.40.0330.07313.86
5.3.30.0170.04013.99
5.3.20.0170.03713.67
5.3.10.0070.04013.71
5.3.00.0170.03013.57
5.2.170.0300.05311.14
5.2.160.0270.05310.93
5.2.150.0230.05711.06
5.2.140.0130.03011.13
5.2.130.0130.03011.07
5.2.120.0130.06011.09
5.2.110.0100.03011.11
5.2.100.0170.02711.00
5.2.90.0130.04311.08
5.2.80.0130.04311.04
5.2.70.0030.04311.00
5.2.60.0270.04711.05
5.2.50.0130.04310.80
5.2.40.0130.02710.97
5.2.30.0130.02710.96
5.2.20.0200.03310.94
5.2.10.0200.02010.91
5.2.00.0130.04010.71
5.1.60.0200.01710.04
5.1.50.0130.0209.98
5.1.40.0100.0209.99
5.1.30.0100.02310.33
5.1.20.0070.02310.38
5.1.10.0100.02710.05
5.1.00.0070.02310.11
5.0.50.0030.0178.43
5.0.40.0000.0208.43
5.0.30.0170.0508.43
5.0.20.0070.0178.43
5.0.10.0000.0208.43
5.0.00.0030.0308.43
4.4.90.0100.0378.43
4.4.80.0030.0178.43
4.4.70.0000.0208.43
4.4.60.0030.0178.43
4.4.50.0070.0138.43
4.4.40.0030.0278.43
4.4.30.0070.0138.43
4.4.20.0030.0208.43
4.4.10.0030.0138.43
4.4.00.0030.0208.43
4.3.110.0070.0108.43
4.3.100.0000.0178.43
4.3.90.0030.0138.43
4.3.80.0070.0308.43
4.3.70.0030.0138.43
4.3.60.0070.0108.43
4.3.50.0030.0178.43
4.3.40.0030.0278.43
4.3.30.0030.0178.43
4.3.20.0000.0278.43
4.3.10.0070.0108.43
4.3.00.0000.0178.43

preferences:
52.8 ms | 400 KiB | 5 Q