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)
8.3.60.0030.01218.43
8.3.50.0140.00617.42
8.3.40.0040.01118.80
8.3.30.0040.01118.92
8.3.20.0040.00418.57
8.3.10.0060.00320.46
8.3.00.0060.00319.51
8.2.180.0140.00317.00
8.2.170.0090.00622.96
8.2.160.0040.01122.39
8.2.150.0160.00324.18
8.2.140.0090.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00019.85
8.2.110.0050.00521.16
8.2.100.0040.00817.84
8.2.90.0070.00019.09
8.2.80.0000.00917.97
8.2.70.0000.00917.63
8.2.60.0000.00917.93
8.2.50.0050.00318.07
8.2.40.0060.00318.16
8.2.30.0030.00718.07
8.2.20.0020.00517.80
8.2.10.0040.00417.84
8.2.00.0050.00217.68
8.1.280.0110.00725.92
8.1.270.0000.00823.99
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0030.00622.45
8.1.230.0000.01120.97
8.1.220.0000.00818.77
8.1.210.0040.00418.91
8.1.200.0090.00017.35
8.1.190.0000.00817.51
8.1.180.0040.00418.10
8.1.170.0040.00418.75
8.1.160.0000.00718.90
8.1.150.0050.00318.62
8.1.140.0070.00017.57
8.1.130.0030.00317.77
8.1.120.0050.00217.53
8.1.110.0000.00717.55
8.1.100.0070.00017.52
8.1.90.0000.00717.43
8.1.80.0070.00017.47
8.1.70.0030.00317.42
8.1.60.0020.00517.56
8.1.50.0000.00917.60
8.1.40.0030.00617.56
8.1.30.0050.00217.68
8.1.20.0050.00317.65
8.1.10.0080.00017.53
8.1.00.0030.00517.64
8.0.300.0080.00019.68
8.0.290.0060.00316.88
8.0.280.0050.00318.39
8.0.270.0030.00317.28
8.0.260.0030.00318.52
8.0.250.0000.00716.94
8.0.240.0040.00417.02
8.0.230.0000.00717.01
8.0.220.0030.00316.94
8.0.210.0070.00016.98
8.0.200.0030.00317.09
8.0.190.0040.00417.02
8.0.180.0040.00416.92
8.0.170.0030.00716.89
8.0.160.0070.00017.05
8.0.150.0000.00816.93
8.0.140.0080.00017.00
8.0.130.0000.00613.45
8.0.120.0060.00316.77
8.0.110.0030.00517.00
8.0.100.0050.00216.86
8.0.90.0040.00417.02
8.0.80.0090.01316.98
8.0.70.0050.00316.79
8.0.60.0000.00716.87
8.0.50.0070.00017.00
8.0.30.0110.01117.25
8.0.20.0090.00917.40
8.0.10.0040.00417.07
8.0.00.0100.00816.91
7.4.330.0060.00013.43
7.4.320.0000.00616.73
7.4.300.0000.00616.65
7.4.290.0000.00816.63
7.4.280.0070.00016.75
7.4.270.0040.00416.80
7.4.260.0030.00313.44
7.4.250.0000.00816.66
7.4.240.0040.00416.59
7.4.230.0070.00016.45
7.4.220.0060.01216.76
7.4.210.0040.01316.66
7.4.200.0030.00516.73
7.4.190.0030.00516.88
7.4.160.0070.00716.84
7.4.150.0150.00317.40
7.4.140.0100.01317.22
7.4.130.0080.00916.68
7.4.120.0040.01316.66
7.4.110.0000.01616.63
7.4.100.0170.00616.57
7.4.90.0060.01616.51
7.4.80.0130.00618.80
7.4.70.0100.01016.72
7.4.60.0060.00916.60
7.4.50.0090.00016.72
7.4.40.0030.01322.27
7.4.30.0100.00616.69
7.4.10.0070.00714.95
7.4.00.0070.00915.09
7.3.330.0000.00713.22
7.3.320.0030.00313.24
7.3.310.0030.00316.30
7.3.300.0030.00316.20
7.3.290.0120.00816.29
7.3.280.0090.00816.28
7.3.270.0130.00317.40
7.3.260.0090.01118.24
7.3.250.0140.00916.47
7.3.240.0130.00316.44
7.3.230.0080.00716.48
7.3.210.0080.01216.73
7.3.200.0120.01216.27
7.3.190.0070.01016.62
7.3.180.0090.00916.55
7.3.170.0100.01016.36
7.3.160.0070.01016.45
7.3.130.0040.01515.08
7.3.120.0060.01014.76
7.3.110.0090.00814.99
7.3.100.0100.00414.92
7.3.90.0020.01314.85
7.3.80.0050.00914.79
7.3.70.0070.00614.88
7.3.60.0070.01014.92
7.3.50.0030.01014.83
7.3.40.0100.00414.80
7.3.30.0050.00714.70
7.3.20.0030.01016.71
7.3.10.0090.00616.71
7.3.00.0050.00716.63
7.2.330.0100.01016.70
7.2.320.0110.00716.72
7.2.310.0090.01416.64
7.2.300.0070.01016.59
7.2.290.0040.01416.54
7.2.260.0100.01015.04
7.2.250.0070.01315.00
7.2.240.0080.01014.99
7.2.230.0050.01215.07
7.2.220.0090.00415.14
7.2.210.0030.01014.97
7.2.200.0080.00714.99
7.2.190.0060.00914.94
7.2.180.0080.00514.95
7.2.170.0050.00614.98
7.2.160.0070.00515.14
7.2.150.0060.00916.74
7.2.140.0030.01116.95
7.2.130.0030.01016.84
7.2.120.0040.01316.84
7.2.110.0080.00616.93
7.2.100.0000.01516.95
7.2.90.0050.01116.92
7.2.80.0050.01216.93
7.2.70.0080.00717.07
7.2.60.0070.00716.89
7.2.50.0070.01116.80
7.2.40.0070.00816.84
7.2.30.0030.01316.68
7.2.20.0100.00517.03
7.2.10.0050.00817.03
7.2.00.0080.00617.79
7.1.330.0050.00715.89
7.1.320.0040.01115.70
7.1.310.0070.00815.97
7.1.300.0060.00915.77
7.1.290.0070.00715.95
7.1.280.0040.00715.79
7.1.270.0040.01015.78
7.1.260.0080.00615.86
7.1.250.0070.00615.69
7.1.240.0070.00416.05
7.1.230.0090.00616.01
7.1.220.0030.01015.79
7.1.210.0060.01215.90
7.1.200.0030.01016.01
7.1.190.0030.01015.92
7.1.180.0070.01115.61
7.1.170.0040.01116.05
7.1.160.0100.00315.79
7.1.150.0060.00916.02
7.1.140.0040.01115.98
7.1.130.0070.00716.00
7.1.120.0000.01515.76
7.1.110.0000.00915.77
7.1.100.0030.01017.00
7.1.90.0070.00715.81
7.1.80.0080.00415.87
7.1.70.0050.00716.62
7.1.60.0100.01217.71
7.1.50.0100.00916.49
7.1.40.0060.00616.11
7.1.30.0040.00816.02
7.1.20.0050.00915.75
7.1.10.0030.01015.79
7.1.00.0030.04019.17
7.0.330.0060.00615.18
7.0.320.0070.00715.37
7.0.310.0050.00515.45
7.0.300.0060.00615.39
7.0.290.0030.01315.68
7.0.280.0060.00615.52
7.0.270.0060.00615.59
7.0.260.0060.00615.67
7.0.250.0030.01015.68
7.0.240.0090.00315.69
7.0.230.0060.00615.56
7.0.220.0030.00615.55
7.0.210.0060.00315.46
7.0.200.0010.00616.04
7.0.190.0040.00415.51
7.0.180.0000.01115.57
7.0.170.0070.00715.57
7.0.160.0060.00615.47
7.0.150.0040.00715.72
7.0.140.0030.04018.83
7.0.130.0030.01015.64
7.0.120.0000.01415.38
7.0.110.0040.00415.51
7.0.100.0030.00615.51
7.0.90.0070.00715.57
7.0.80.0000.01015.63
7.0.70.0040.00715.57
7.0.60.0060.03017.81
7.0.50.0050.02216.76
7.0.40.0100.04417.08
7.0.30.0230.03616.92
7.0.20.0150.03416.90
7.0.10.0050.02516.88
7.0.00.0080.02216.90
5.6.400.0070.00714.10
5.6.390.0070.00714.10
5.6.380.0030.00714.13
5.6.370.0090.00614.10
5.6.360.0080.00414.27
5.6.350.0040.00714.60
5.6.340.0040.01214.59
5.6.330.0110.00014.61
5.6.320.0070.00714.68
5.6.310.0000.01514.12
5.6.300.0030.01014.40
5.6.290.0040.01214.13
5.6.280.0090.03617.77
5.6.270.0110.00314.27
5.6.260.0000.00914.18
5.6.250.0060.00614.11
5.6.240.0090.00514.20
5.6.230.0070.00714.09
5.6.220.0060.00614.26
5.6.210.0110.03517.52
5.6.200.0090.04016.33
5.6.190.0020.02717.21
5.6.180.0110.02517.29
5.6.170.0100.03317.57
5.6.160.0000.03817.27
5.6.150.0050.04016.34
5.6.140.0060.02316.25
5.6.130.0030.02816.26
5.6.120.0020.05117.59
5.6.110.0080.04517.68
5.6.100.0130.04217.66
5.6.90.0050.04717.69
5.6.80.0050.04117.27
5.6.70.0060.00614.21
5.6.60.0040.01114.04
5.6.50.0030.00614.20
5.6.40.0060.00913.96
5.6.30.0060.00614.13
5.6.20.0060.00914.25
5.6.10.0080.00313.98
5.6.00.0090.00614.26
5.5.380.0090.00014.33
5.5.370.0000.01114.12
5.5.360.0090.00314.43
5.5.350.0080.04017.30
5.5.340.0030.02315.96
5.5.330.0050.02417.26
5.5.320.0240.03117.25
5.5.310.0180.04317.32
5.5.300.0100.02816.03
5.5.290.0050.04416.19
5.5.280.0040.02417.58
5.5.270.0030.02717.52
5.5.260.0050.02717.50
5.5.250.0040.03217.46
5.5.240.0170.04017.04
5.5.230.0040.00714.15
5.5.220.0000.01513.91
5.5.210.0080.00314.32
5.5.200.0080.00814.26
5.5.190.0040.01214.23
5.5.180.0040.00814.25
5.5.170.0040.00814.21
5.5.160.0030.01014.38
5.5.150.0060.00614.12
5.5.140.0060.00614.33
5.5.130.0110.00314.06
5.5.120.0060.00614.17
5.5.110.0070.00714.30
5.5.100.0000.01114.22
5.5.90.0030.00813.85
5.5.80.0000.00914.16
5.5.70.0000.01114.30
5.5.60.0100.00313.95
5.5.50.0060.00314.00
5.5.40.0080.00414.40
5.5.30.0030.00614.17
5.5.20.0090.00614.35
5.5.10.0070.00314.19
5.5.00.0030.00613.84
5.4.450.0140.02615.50
5.4.440.0080.04515.39
5.4.430.0130.03115.37
5.4.420.0200.03815.54
5.4.410.0180.03615.33
5.4.400.0170.01815.38
5.4.390.0140.01815.24
5.4.380.0150.04015.32
5.4.370.0180.02815.23
5.4.360.0180.03015.21
5.4.350.0150.04015.32
5.4.340.0160.03415.34
5.4.330.0040.00711.54
5.4.320.0120.02315.25
5.4.310.0210.04015.32
5.4.300.0130.01815.33
5.4.290.0080.02515.23
5.4.280.0110.02115.22
5.4.270.0170.03015.23
5.4.260.0170.03015.31
5.4.250.0160.03115.33
5.4.240.0100.02515.30
5.4.230.0150.02015.38
5.4.220.0120.02515.33
5.4.210.0170.01715.16
5.4.200.0120.03915.21
5.4.190.0100.02715.35
5.4.180.0120.02215.16
5.4.170.0100.03015.16
5.4.160.0130.02015.22
5.4.150.0120.02315.16
5.4.140.0120.02713.93
5.4.130.0090.02413.91
5.4.120.0100.02413.91
5.4.110.0150.02113.94
5.4.100.0100.02113.98
5.4.90.0140.01813.92
5.4.80.0110.02313.97
5.4.70.0100.02614.04
5.4.60.0130.03813.95
5.4.50.0100.02314.01
5.4.40.0090.02414.00
5.4.30.0140.02013.86
5.4.20.0120.04013.97
5.4.10.0150.03413.96
5.4.00.0100.03013.72
5.3.290.0090.02413.08
5.3.280.0120.02013.04
5.3.270.0200.02013.04
5.3.260.0120.03513.12
5.3.250.0120.02213.06
5.3.240.0140.02713.02
5.3.230.0080.02312.99
5.3.220.0170.03013.02
5.3.210.0130.03013.02
5.3.200.0100.02312.97
5.3.190.0140.02113.04
5.3.180.0100.02313.10
5.3.170.0120.02313.06
5.3.160.0120.02812.97
5.3.150.0130.01712.98
5.3.140.0160.02112.97
5.3.130.0120.02213.09
5.3.120.0170.01912.97
5.3.110.0120.03513.03
5.3.100.0080.02912.73
5.3.90.0080.02112.77
5.3.80.0100.02112.68
5.3.70.0070.02312.75
5.3.60.0110.02212.82
5.3.50.0120.03812.79
5.3.40.0100.02212.69
5.3.30.0110.02212.77
5.3.20.0130.01712.59
5.3.10.0180.02412.52
5.3.00.0110.02212.58
5.2.170.0100.03311.19
5.2.160.0100.03311.18
5.2.150.0130.03311.18
5.2.140.0070.05711.18
5.2.130.0130.02711.18
5.2.120.0130.03011.18
5.2.110.0070.05011.18
5.2.100.0270.05011.18
5.2.90.0200.02711.18
5.2.80.0130.03311.18
5.2.70.0130.03711.18
5.2.60.0070.03311.18
5.2.50.0130.02711.18
5.2.40.0200.05311.18
5.2.30.0130.02711.18
5.2.20.0100.03011.18
5.2.10.0100.03011.18
5.2.00.0130.02311.18
5.1.60.0200.05011.18
5.1.50.0070.03011.18
5.1.40.0130.02711.18
5.1.30.0070.03011.18
5.1.20.0200.04711.18
5.1.10.0130.02311.18
5.1.00.0030.03011.18
5.0.50.0030.02311.18
5.0.40.0100.03311.18
5.0.30.0030.03311.18
5.0.20.0070.02011.18
5.0.10.0070.01711.18
5.0.00.0070.03011.18
4.4.90.0100.03711.18
4.4.80.0100.02311.18
4.4.70.0070.03311.18
4.4.60.0030.01711.18
4.4.50.0030.02011.18
4.4.40.0070.02311.18
4.4.30.0070.02011.18
4.4.20.0070.02011.18
4.4.10.0030.01711.18
4.4.00.0030.05711.18
4.3.110.0070.03311.18
4.3.100.0070.01311.18
4.3.90.0070.01311.18
4.3.80.0070.04711.18
4.3.70.0030.01711.18
4.3.60.0070.01311.18
4.3.50.0030.01711.18
4.3.40.0070.02011.18
4.3.30.0000.01711.18
4.3.20.0070.03311.18
4.3.10.0030.01711.18
4.3.00.0030.01711.18

preferences:
37.15 ms | 401 KiB | 5 Q