3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'round(12)'; echo preg_replace('/(?!bcsqrt|bcpow|round|ceil|floor)\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)
8.3.60.0070.00718.30
8.3.50.0130.00817.50
8.3.40.0070.00718.87
8.3.30.0150.00018.79
8.3.20.0040.00418.87
8.3.10.0150.00020.53
8.3.00.0000.00819.38
8.2.180.0030.01516.63
8.2.170.0120.00422.96
8.2.160.0070.00722.14
8.2.150.0160.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00319.85
8.2.110.0040.00719.30
8.2.100.0040.00817.60
8.2.90.0080.00018.16
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0050.00318.07
8.2.40.0000.00818.22
8.2.30.0000.01118.00
8.2.20.0080.00017.75
8.2.10.0000.00817.64
8.2.00.0000.00917.78
8.1.280.0070.00725.92
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0070.01119.21
8.1.230.0060.00621.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0090.00017.22
8.1.180.0080.00018.10
8.1.170.0090.00018.77
8.1.160.0040.00418.77
8.1.150.0040.00418.77
8.1.140.0050.00317.54
8.1.130.0000.00717.79
8.1.120.0000.00817.43
8.1.110.0040.00417.57
8.1.100.0000.00817.46
8.1.90.0000.00717.52
8.1.80.0040.00317.62
8.1.70.0070.00017.45
8.1.60.0000.00817.55
8.1.50.0000.00817.54
8.1.40.0040.00417.50
8.1.30.0040.00417.75
8.1.20.0040.00417.74
8.1.10.0000.00817.57
8.1.00.0040.00417.56
8.0.300.0030.00620.08
8.0.290.0040.00416.88
8.0.280.0030.00318.41
8.0.270.0050.00217.29
8.0.260.0000.00618.52
8.0.250.0040.00417.06
8.0.240.0040.00417.11
8.0.230.0030.00317.07
8.0.220.0030.00316.96
8.0.210.0000.00717.00
8.0.200.0030.00316.92
8.0.190.0080.00017.07
8.0.180.0000.00816.93
8.0.170.0000.01116.87
8.0.160.0000.00816.84
8.0.150.0060.00316.83
8.0.140.0000.00816.97
8.0.130.0000.00613.39
8.0.120.0030.00617.01
8.0.110.0000.00716.88
8.0.100.0040.00416.89
8.0.90.0000.00717.05
8.0.80.0090.01216.97
8.0.70.0050.00216.98
8.0.60.0050.00317.04
8.0.50.0000.00717.02
8.0.30.0080.01117.31
8.0.20.0150.00317.40
8.0.10.0050.00217.07
8.0.00.0090.00817.02
7.4.330.0050.00013.43
7.4.320.0030.00316.67
7.4.300.0060.00016.74
7.4.290.0040.00416.74
7.4.280.0070.00016.65
7.4.270.0040.00416.71
7.4.260.0000.00513.44
7.4.250.0070.00016.73
7.4.240.0040.00416.66
7.4.230.0040.00416.59
7.4.220.0120.00616.66
7.4.210.0100.00516.76
7.4.200.0040.00416.50
7.4.190.0030.00316.82
7.4.160.0120.00416.55
7.4.150.0120.00617.40
7.4.140.0090.01417.20
7.4.130.0130.00516.55
7.4.120.0130.00616.64
7.4.110.0090.00916.75
7.4.100.0030.01316.73
7.4.90.0070.01116.62
7.4.80.0070.01419.39
7.4.70.0060.01616.88
7.4.60.0130.00316.59
7.4.50.0040.00416.77
7.4.40.0030.01322.27
7.4.30.0140.00616.55
7.4.00.0030.01415.33
7.3.330.0040.00413.16
7.3.320.0030.00312.92
7.3.310.0000.00716.25
7.3.300.0030.00316.32
7.3.290.0080.00816.25
7.3.280.0090.00616.24
7.3.270.0100.01017.40
7.3.260.0130.00718.24
7.3.250.0180.00716.47
7.3.240.0140.00316.59
7.3.230.0060.01116.39
7.3.210.0100.00616.55
7.3.200.0070.01016.70
7.3.190.0030.01716.40
7.3.180.0170.00016.56
7.3.170.0090.01216.74
7.3.160.0080.00816.35
7.3.120.0060.00915.21
7.2.330.0140.00316.66
7.2.320.0030.01416.70
7.2.310.0130.01116.72
7.2.300.0100.01016.61
7.2.290.0130.00316.42
7.2.60.0100.00317.03
7.2.00.0100.00019.54
7.1.200.0080.00415.68
7.1.100.0030.00918.38
7.1.70.0100.00317.06
7.1.60.0070.01319.40
7.1.50.0030.01717.05
7.1.00.0030.05722.58
7.0.200.0000.00816.64
7.0.140.0070.07021.95
7.0.60.0170.06719.86
7.0.50.0100.03717.77
7.0.40.0070.04717.77
7.0.30.0070.07317.76
7.0.20.0070.08317.80
7.0.10.0130.05317.77
7.0.00.0130.07017.80
5.6.280.0000.07721.14
5.6.210.0070.06320.74
5.6.200.0070.05018.13
5.6.190.0030.07718.15
5.6.180.0270.03318.15
5.6.170.0100.07018.18
5.6.160.0070.07718.22
5.6.150.0070.08318.13
5.6.140.0070.07318.16
5.6.130.0070.08318.15
5.6.120.0070.05318.18
5.6.110.0100.07018.11
5.6.100.0070.08718.21
5.6.90.0030.08318.19
5.6.80.0030.08017.60
5.6.70.0100.07717.59
5.6.60.0170.06717.46
5.6.50.0170.06717.49
5.6.40.0070.08017.57
5.6.30.0100.07317.54
5.6.20.0070.04317.57
5.6.10.0070.07717.57
5.6.00.0100.07717.51
5.5.350.3000.03720.29
5.5.340.0070.04017.84
5.5.330.0100.07718.01
5.5.320.0170.07017.96
5.5.310.0200.04317.95
5.5.300.0070.07318.01
5.5.290.0070.08017.91
5.5.280.0130.03318.02
5.5.270.0130.07018.00
5.5.260.0070.07317.94
5.5.250.0070.08017.79
5.5.240.0170.06017.36
5.5.230.0070.07317.34
5.5.220.0070.06717.30
5.5.210.0100.05017.25
5.5.200.0130.07017.32
5.5.190.0070.07717.27
5.5.180.0070.05017.20
5.5.160.0170.06717.36
5.5.150.0030.06317.31
5.5.140.0100.03317.25
5.5.130.0070.07717.23
5.5.120.0100.08017.35
5.5.110.0030.04717.21
5.5.100.0030.07717.17
5.5.90.0030.06317.17
5.5.80.0070.06717.14
5.5.70.0070.07017.21
5.5.60.0070.07317.22
5.5.50.0030.07017.16
5.5.40.0070.05717.22
5.5.30.0030.07717.20
5.5.20.0030.07717.25
5.5.10.0000.08017.16
5.5.00.0070.04317.15
5.4.450.0130.07719.32
5.4.440.0130.05719.15
5.4.430.0100.07319.45
5.4.420.0030.07719.53
5.4.410.0070.04719.20
5.4.400.0070.05718.82
5.4.390.0070.07018.99
5.4.380.0100.07319.21
5.4.370.0000.07018.82
5.4.360.0070.06319.01
5.4.350.0000.05318.89
5.4.340.0070.05319.21
5.4.320.0230.06719.00
5.4.310.0030.07718.97
5.4.300.0130.05319.09
5.4.290.0130.07718.89
5.4.280.0100.05319.07
5.4.270.0130.03719.11
5.4.260.0100.07018.82
5.4.250.0070.07318.98
5.4.240.0100.04318.94
5.4.230.0030.07019.09
5.4.220.0000.06018.94
5.4.210.0000.05719.00
5.4.200.0070.07019.00
5.4.190.0070.05318.98
5.4.180.0070.04319.09
5.4.170.0070.08018.98
5.4.160.0030.04018.97
5.4.150.0100.07018.89
5.4.140.0070.06716.32
5.4.130.0070.06716.32
5.4.120.0070.05316.28
5.4.110.0030.08016.52
5.4.100.0130.06716.36
5.4.90.0070.07016.39
5.4.80.0030.03716.26
5.4.70.0070.06716.22
5.4.60.0070.07016.38
5.4.50.0070.04316.42
5.4.40.0000.08016.31
5.4.30.0100.05716.40
5.4.20.0030.05716.30
5.4.10.0200.06316.25
5.4.00.0100.04315.89
5.3.290.0070.06714.45
5.3.280.0000.05014.56
5.3.270.0030.04014.55
5.3.260.0070.07314.55
5.3.250.0070.07014.53
5.3.240.0100.08014.54
5.3.230.0100.07314.52
5.3.220.0070.07314.53
5.3.210.0170.05014.53
5.3.200.0100.05014.34
5.3.190.0070.04714.53
5.3.180.0030.04314.52
5.3.170.0100.03714.55
5.3.160.0030.05314.48
5.3.150.0070.03714.42
5.3.140.0130.03014.48
5.3.130.0030.07714.62
5.3.120.0030.07314.49
5.3.110.0030.05014.32
5.3.100.0000.09013.87
5.3.90.0030.07713.79
5.3.80.0070.04013.93
5.3.70.0070.07313.93
5.3.60.0000.08313.79
5.3.50.0130.06713.93
5.3.40.0030.07313.72
5.3.30.0070.07013.67
5.3.20.0070.05313.77
5.3.10.0070.07313.57
5.3.00.0000.05013.61
5.2.170.0030.05711.17
5.2.160.0070.06011.12
5.2.150.0100.03310.97
5.2.140.0070.06010.99
5.2.130.0100.04011.04
5.2.120.0130.05011.09
5.2.110.0000.05311.01
5.2.100.0070.03311.09
5.2.90.0070.05011.04
5.2.80.0070.04011.11
5.2.70.0000.06311.05
5.2.60.0000.05011.05
5.2.50.0070.06010.84
5.2.40.0100.05711.02
5.2.30.0000.06710.96
5.2.20.0070.06010.92
5.2.10.0030.05310.70
5.2.00.0100.05710.70
5.1.60.0030.0439.90
5.1.50.0170.0439.90
5.1.40.0030.04310.11
5.1.30.0100.05310.38
5.1.20.0070.05710.37
5.1.10.0000.04710.10
5.1.00.0030.05710.11
5.0.50.0130.0238.71
5.0.40.0030.0438.71
5.0.30.0000.0678.71
5.0.20.0070.0408.71
5.0.10.0030.0408.71
5.0.00.0030.0478.71
4.4.90.0000.0408.71
4.4.80.0030.0338.71
4.4.70.0070.0278.71
4.4.60.0030.0378.71
4.4.50.0000.0308.71
4.4.40.0030.0578.71
4.4.30.0000.0378.71
4.4.20.0070.0278.71
4.4.10.0030.0338.71
4.4.00.0000.0508.71
4.3.110.0000.0378.71
4.3.100.0000.0278.71
4.3.90.0070.0208.71
4.3.80.0030.0378.71
4.3.70.0070.0278.71
4.3.60.0000.0238.71
4.3.50.0000.0338.71
4.3.40.0000.0538.71
4.3.30.0070.0338.71
4.3.20.0000.0378.71
4.3.10.0000.0408.71
4.3.00.0000.0378.71

preferences:
39.9 ms | 401 KiB | 5 Q