3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'round(12)'; echo preg_replace('@\w+|[^0-9.()+-/*%^:]@', '', $str);

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)
8.3.40.0040.01118.92
8.3.30.0100.00718.92
8.3.20.0080.00018.73
8.3.10.0040.00420.64
8.3.00.0040.00419.38
8.2.170.0030.01619.08
8.2.160.0140.00422.96
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.85
8.2.110.0060.00320.45
8.2.100.0060.00618.03
8.2.90.0070.00020.51
8.2.80.0040.00417.97
8.2.70.0040.00417.80
8.2.60.0000.00918.03
8.2.50.0000.00718.10
8.2.40.0040.00422.33
8.2.30.0070.00019.36
8.2.20.0070.00017.86
8.2.10.0050.00217.66
8.2.00.0040.00417.82
8.1.270.0040.00422.18
8.1.260.0090.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00923.83
8.1.230.0110.00420.93
8.1.220.0040.00417.79
8.1.210.0000.00719.00
8.1.200.0030.00617.36
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0030.00618.64
8.1.160.0040.00422.16
8.1.150.0070.00018.64
8.1.140.0050.00217.57
8.1.130.0030.00317.79
8.1.120.0030.00517.48
8.1.110.0050.00217.52
8.1.100.0070.00017.57
8.1.90.0000.00717.53
8.1.80.0090.00017.52
8.1.70.0030.00317.49
8.1.60.0000.00817.65
8.1.50.0030.00517.60
8.1.40.0000.00817.53
8.1.30.0040.00417.72
8.1.20.0040.00417.81
8.1.10.0050.00317.57
8.1.00.0000.00817.48
8.0.300.0050.00220.08
8.0.290.0050.00316.63
8.0.280.0090.00018.57
8.0.270.0040.00417.32
8.0.260.0070.00017.00
8.0.250.0040.00417.05
8.0.240.0040.00417.12
8.0.230.0070.00016.96
8.0.220.0030.00316.93
8.0.210.0030.00316.92
8.0.200.0030.00317.00
8.0.190.0000.00716.91
8.0.180.0000.00716.89
8.0.170.0000.00817.02
8.0.160.0070.00016.81
8.0.150.0060.00316.90
8.0.140.0040.00416.83
8.0.130.0000.00513.36
8.0.120.0000.00716.89
8.0.110.0040.00416.95
8.0.100.0040.00416.94
8.0.90.0040.00416.93
8.0.80.0070.00717.04
8.0.70.0040.00416.84
8.0.60.0040.00417.00
8.0.50.0040.00416.99
8.0.30.0080.01017.11
8.0.20.0100.00817.40
8.0.10.0000.00717.07
8.0.00.0110.00916.94
7.4.330.0000.00613.43
7.4.320.0000.00716.72
7.4.300.0060.00016.75
7.4.290.0000.00716.66
7.4.280.0050.00316.73
7.4.270.0080.00016.54
7.4.260.0000.00513.38
7.4.250.0040.00416.72
7.4.240.0060.00316.67
7.4.230.0000.00716.76
7.4.220.0130.01316.53
7.4.210.0060.00816.66
7.4.200.0000.00716.63
7.4.190.0040.00416.86
7.4.160.0130.00316.73
7.4.150.0180.00017.40
7.4.140.0080.01017.26
7.4.130.0050.01316.70
7.4.120.0130.00716.61
7.4.110.0030.01516.62
7.4.100.0070.01016.60
7.4.90.0090.00916.55
7.4.80.0060.00918.80
7.4.70.0070.01116.54
7.4.60.0100.00716.71
7.4.50.0060.00316.57
7.4.40.0030.01022.27
7.4.30.0120.00316.63
7.4.00.0070.00714.83
7.3.330.0030.00313.03
7.3.320.0000.00513.00
7.3.310.0080.00016.23
7.3.300.0070.00016.23
7.3.290.0060.00916.25
7.3.280.0080.00816.27
7.3.270.0140.00417.40
7.3.260.0080.00918.24
7.3.250.0090.01016.48
7.3.240.0030.01316.42
7.3.230.0110.01116.39
7.3.210.0100.00716.47
7.3.200.0060.01519.39
7.3.190.0070.01516.39
7.3.180.0150.00816.79
7.3.170.0100.01316.54
7.3.160.0080.00816.75
7.3.120.0060.00915.18
7.3.110.0100.00714.85
7.3.100.0030.01714.85
7.3.90.0100.00714.62
7.3.80.0040.01114.74
7.3.70.0040.00714.71
7.3.60.0100.00614.94
7.3.50.0040.01214.86
7.3.40.0040.01114.83
7.3.30.0070.00714.85
7.3.20.0040.01116.55
7.3.10.0070.01016.37
7.3.00.0140.00316.71
7.2.330.0090.00916.80
7.2.320.0120.00616.46
7.2.310.0090.00916.70
7.2.300.0060.01216.67
7.2.290.0100.00716.49
7.2.240.0100.00615.05
7.2.230.0040.01614.88
7.2.220.0120.00315.01
7.2.210.0070.00715.04
7.2.200.0130.00315.09
7.2.190.0040.01414.94
7.2.180.0060.00914.84
7.2.170.0040.00714.79
7.2.160.0100.00715.14
7.2.150.0030.01016.79
7.2.140.0040.01416.64
7.2.130.0060.00917.07
7.2.120.0130.00716.98
7.2.110.0070.01117.06
7.2.100.0100.00716.75
7.2.90.0050.00516.89
7.2.80.0100.00716.75
7.2.70.0100.00616.76
7.2.60.0060.00617.07
7.2.50.0030.01416.91
7.2.40.0030.00916.94
7.2.30.0100.00616.74
7.2.20.0070.01016.75
7.2.10.0040.00816.75
7.2.00.0050.01218.04
7.1.330.0080.00816.07
7.1.320.0000.01715.96
7.1.310.0030.00715.90
7.1.300.0040.01215.46
7.1.290.0040.00715.63
7.1.280.0070.00715.66
7.1.270.0070.01015.57
7.1.260.0050.00515.88
7.1.250.0050.00515.71
7.1.100.0000.01418.02
7.1.70.0050.00317.27
7.1.60.0120.00919.40
7.1.50.0100.01016.89
7.1.00.0070.07322.45
7.0.200.0060.00317.05
7.0.140.0100.06322.21
7.0.60.0030.09019.96
7.0.50.0070.08317.79
7.0.40.0070.08017.68
7.0.30.0030.09017.72
7.0.20.0100.08017.71
7.0.10.0000.06017.80
7.0.00.0100.07717.77
5.6.280.0000.07720.89
5.6.210.0070.04020.47
5.6.200.0070.08018.11
5.6.190.0100.05718.09
5.6.180.0070.07018.11
5.6.170.0100.07018.18
5.6.160.0030.08318.13
5.6.150.0100.07318.07
5.6.140.0030.08318.20
5.6.130.0030.08018.18
5.6.120.0070.08718.11
5.6.110.0070.08018.18
5.6.100.0100.04318.18
5.6.90.0100.04718.21
5.6.80.0070.07317.57
5.6.70.0100.05017.47
5.6.60.0030.04017.49
5.6.50.0030.03717.54
5.6.40.0070.03717.54
5.6.30.0030.03717.51
5.6.20.0030.04017.51
5.6.10.0100.03017.58
5.6.00.0000.06017.52
5.5.350.3430.04720.51
5.5.340.0170.07317.98
5.5.330.0030.08718.01
5.5.320.0200.06718.01
5.5.310.0100.07718.02
5.5.300.0070.03717.98
5.5.290.0030.08717.95
5.5.280.0070.04017.87
5.5.270.0100.07717.94
5.5.260.0230.04017.95
5.5.250.0070.03717.79
5.5.240.0100.06317.26
5.5.230.0070.06717.22
5.5.220.0030.04017.34
5.5.210.0030.03717.25
5.5.200.0070.03717.36
5.5.190.0100.03017.27
5.5.180.0070.03317.30
5.5.160.0030.06017.29
5.5.150.0070.06717.24
5.5.140.0000.05017.29
5.5.130.0070.04017.35
5.5.120.0000.04017.26
5.5.110.0030.04017.27
5.5.100.0000.04017.16
5.5.90.0130.03317.14
5.5.80.0000.04017.21
5.5.70.0000.04017.16
5.5.60.0030.03717.23
5.5.50.0030.03717.25
5.5.40.0000.03717.17
5.5.30.0000.04017.24
5.5.20.0070.03317.24
5.5.10.0070.03317.15
5.5.00.0000.04017.25
5.4.450.0100.07719.31
5.4.440.0070.07319.32
5.4.430.0100.05719.39
5.4.420.0200.06019.31
5.4.410.0070.04319.31
5.4.400.0030.05719.10
5.4.390.0030.04718.82
5.4.380.0000.04319.21
5.4.370.0070.03318.98
5.4.360.0030.04719.09
5.4.350.0000.04318.98
5.4.340.0070.03319.07
5.4.320.0000.04719.13
5.4.310.0030.04719.09
5.4.300.0030.05018.98
5.4.290.0030.03719.12
5.4.280.0030.03718.98
5.4.270.0000.04019.03
5.4.260.0130.02718.98
5.4.250.0130.02719.09
5.4.240.0030.03719.02
5.4.230.0100.03018.88
5.4.220.0100.03019.20
5.4.210.0070.03319.02
5.4.200.0000.04318.98
5.4.190.0070.03319.08
5.4.180.0070.03318.88
5.4.170.0030.03719.20
5.4.160.0000.04019.07
5.4.150.0100.03019.09
5.4.140.0100.02716.26
5.4.130.0030.03316.17
5.4.120.0070.03316.32
5.4.110.0000.03716.39
5.4.100.0030.04016.29
5.4.90.0070.07016.50
5.4.80.0170.05716.43
5.4.70.0000.08016.27
5.4.60.0130.06016.36
5.4.50.0030.05316.23
5.4.40.0000.05316.41
5.4.30.0100.07016.35
5.4.20.0070.07716.21
5.4.10.0100.04316.40
5.4.00.0130.06315.68
5.3.290.0070.05714.66
5.3.280.0070.04014.42
5.3.270.0000.04014.55
5.3.260.0100.03014.45
5.3.250.0070.03314.46
5.3.240.0030.04014.54
5.3.230.0070.03314.52
5.3.220.0070.03314.39
5.3.210.0000.04014.49
5.3.200.0100.03714.64
5.3.190.0130.06314.51
5.3.180.0000.05014.55
5.3.170.0070.04714.39
5.3.160.0200.05314.53
5.3.150.0070.04714.47
5.3.140.0030.04714.53
5.3.130.0100.05314.53
5.3.120.0070.05714.48
5.3.110.0130.04314.51
5.3.100.0000.08313.99
5.3.90.0100.05313.96
5.3.80.0030.08014.09
5.3.70.0030.04013.98
5.3.60.0100.05313.94
5.3.50.0070.04013.71
5.3.40.0070.06713.90
5.3.30.0100.03313.88
5.3.20.0070.07713.68
5.3.10.0030.04013.42
5.3.00.0070.03313.60
5.2.170.0070.06011.13
5.2.160.0100.04311.09
5.2.150.0000.04010.98
5.2.140.0030.04311.13
5.2.130.0100.04011.07
5.2.120.0030.03311.11
5.2.110.0070.02711.09
5.2.100.0070.06310.93
5.2.90.0130.05711.10
5.2.80.0030.06011.23
5.2.70.0070.06011.07
5.2.60.0100.05011.01
5.2.50.0130.04711.16
5.2.40.0130.03011.14
5.2.30.0130.05310.96
5.2.20.0030.07010.93
5.2.10.0030.05710.89
5.2.00.0000.06310.70
5.1.60.0000.0439.99
5.1.50.0130.0379.97
5.1.40.0000.0509.97
5.1.30.0100.02710.36
5.1.20.0030.04710.35
5.1.10.0070.03710.03
5.1.00.0070.04310.07
5.0.50.0030.0209.39
5.0.40.0100.0339.39
5.0.30.0000.0609.39
5.0.20.0000.0479.39
5.0.10.0070.0439.39
5.0.00.0030.0439.39
4.4.90.0000.0309.39
4.4.80.0070.0339.39
4.4.70.0100.0179.39
4.4.60.0030.0379.39
4.4.50.0030.0239.39
4.4.40.0070.0509.39
4.4.30.0030.0339.39
4.4.20.0000.0409.39
4.4.10.0030.0209.39
4.4.00.0070.0509.39
4.3.110.0000.0279.39
4.3.100.0000.0409.39
4.3.90.0000.0339.39
4.3.80.0000.0379.39
4.3.70.0070.0309.39
4.3.60.0030.0339.39
4.3.50.0000.0279.39
4.3.40.0000.0309.39
4.3.30.0030.0179.39
4.3.20.0030.0179.39
4.3.10.0030.0339.39
4.3.00.0070.0309.39

preferences:
48.51 ms | 400 KiB | 5 Q