3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'round(12)'; echo preg_replace('@\G(?!bcsqrt|bcpow|round|ceil|floor)\b[a-z]+\b|[^0-9.()+-/*%^:]@', '<$0>', $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)
8.3.70.0100.00718.54
8.3.60.0100.01016.88
8.3.50.0110.00717.54
8.3.40.0150.00019.01
8.3.30.0070.01118.79
8.3.20.0050.00318.72
8.3.10.0080.00020.41
8.3.00.0040.00419.16
8.2.180.0100.01016.88
8.2.170.0090.00922.96
8.2.160.0100.00720.92
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0100.00019.14
8.2.110.0060.00319.40
8.2.100.0060.00618.03
8.2.90.0080.00018.98
8.2.80.0060.00319.40
8.2.70.0000.00817.63
8.2.60.0060.00317.68
8.2.50.0040.00418.07
8.2.40.0050.00318.22
8.2.30.0000.00718.06
8.2.20.0000.00717.79
8.2.10.0050.00217.77
8.2.00.0000.00817.64
8.1.280.0070.00725.92
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.83
8.1.230.0000.01220.88
8.1.220.0090.00018.77
8.1.210.0080.00018.91
8.1.200.0030.00617.35
8.1.190.0000.00917.41
8.1.180.0000.00918.10
8.1.170.0040.00418.77
8.1.160.0040.00418.85
8.1.150.0040.00418.64
8.1.140.0040.00417.57
8.1.130.0000.00717.75
8.1.120.0030.00417.60
8.1.110.0050.00317.48
8.1.100.0040.00417.62
8.1.90.0080.00017.55
8.1.80.0000.00717.55
8.1.70.0000.00717.54
8.1.60.0050.00317.71
8.1.50.0000.00817.55
8.1.40.0040.00417.58
8.1.30.0000.00817.63
8.1.20.0050.00317.59
8.1.10.0070.00017.66
8.1.00.0030.00617.50
8.0.300.0040.00420.02
8.0.290.0030.00616.88
8.0.280.0000.00718.36
8.0.270.0070.00017.15
8.0.260.0060.00016.89
8.0.250.0050.00217.16
8.0.240.0050.00217.04
8.0.230.0000.00717.05
8.0.220.0040.00417.05
8.0.210.0050.00316.88
8.0.200.0060.00017.00
8.0.190.0020.00517.03
8.0.180.0050.00217.04
8.0.170.0030.00617.01
8.0.160.0000.00716.96
8.0.150.0060.00316.86
8.0.140.0030.00916.94
8.0.130.0000.00613.52
8.0.120.0050.00216.95
8.0.110.0050.00316.97
8.0.100.0000.00716.93
8.0.90.0030.00516.86
8.0.80.0070.00716.86
8.0.70.0070.00016.84
8.0.60.0050.00316.99
8.0.50.0030.00517.04
8.0.30.0100.00817.34
8.0.20.0120.00717.25
8.0.10.0040.00416.94
8.0.00.0150.00616.86
7.4.330.0050.00013.13
7.4.320.0000.00616.78
7.4.300.0000.00616.63
7.4.290.0060.00316.59
7.4.280.0060.00316.76
7.4.270.0030.00516.66
7.4.260.0060.00013.43
7.4.250.0040.00416.64
7.4.240.0000.00716.71
7.4.230.0050.00316.47
7.4.220.0120.00916.71
7.4.210.0070.00916.76
7.4.200.0030.00316.55
7.4.190.0030.00316.66
7.4.160.0060.00916.66
7.4.150.0120.00616.53
7.4.140.0080.01216.66
7.4.130.0080.01116.78
7.4.120.0100.01016.70
7.4.110.0030.01416.75
7.4.100.0140.00316.63
7.4.90.0120.00616.77
7.4.80.0090.00919.39
7.4.70.0030.01516.74
7.4.60.0060.00916.65
7.4.50.0000.00816.71
7.4.40.0070.00716.52
7.4.30.0080.00816.61
7.4.00.0040.01214.92
7.3.330.0030.00313.05
7.3.320.0030.00313.21
7.3.310.0070.00016.39
7.3.300.0070.00016.16
7.3.290.0030.01316.40
7.3.280.0080.01316.28
7.3.270.0100.00716.59
7.3.260.0090.00916.30
7.3.250.0110.00816.32
7.3.240.0030.01316.76
7.3.230.0140.00316.38
7.3.210.0110.00616.38
7.3.200.0100.00716.58
7.3.190.0050.01316.38
7.3.180.0090.01216.70
7.3.170.0130.00316.53
7.3.160.0100.00716.30
7.3.120.0110.00314.89
7.2.330.0080.01116.64
7.2.320.0060.01316.43
7.2.310.0110.00716.66
7.2.300.0110.01416.76
7.2.290.0030.01316.54
7.2.00.0000.01619.25
7.1.100.0060.00618.18
7.1.70.0030.01317.30
7.1.60.0100.01619.40
7.1.50.0080.00416.94
7.1.00.0100.06722.35
7.0.200.0080.00016.89
7.0.140.0100.06721.93
7.0.120.0070.07322.15
7.0.60.0100.08019.93
7.0.50.0070.07317.68
7.0.40.0100.07017.70
7.0.30.0030.05717.67
7.0.20.0030.04317.71
7.0.10.0070.08317.80
7.0.00.0100.06717.71
5.6.210.0130.03320.49
5.6.200.0100.08018.16
5.6.190.0070.04018.17
5.6.180.0070.03718.20
5.6.170.0070.07318.12
5.6.160.0000.05318.20
5.6.150.0070.05718.23
5.6.140.0070.07318.18
5.6.130.0030.05718.11
5.6.120.0030.08318.07
5.6.110.0070.05718.18
5.6.100.0030.07018.10
5.6.90.0070.08718.18
5.6.80.0030.04317.60
5.6.70.0100.07317.61
5.6.60.0070.07717.46
5.6.50.0130.07317.56
5.6.40.0000.04317.54
5.6.30.0030.07017.48
5.6.20.0070.06717.45
5.6.10.0030.08017.47
5.6.00.0100.06017.55
5.5.350.0070.05720.38
5.5.340.0100.07317.99
5.5.330.0030.04317.99
5.5.320.0030.04018.01
5.5.310.0100.04718.01
5.5.300.0000.08717.91
5.5.290.0030.07717.98
5.5.280.0100.07717.89
5.5.270.0070.05018.00
5.5.260.0100.08017.90
5.5.250.0100.07717.81
5.5.240.0030.04317.35
5.5.230.0100.04717.25
5.5.220.0070.07717.25
5.5.210.0070.07717.29
5.5.200.0070.04317.36
5.5.190.0000.07017.32
5.5.180.0070.04317.27
5.5.160.0200.06717.35
5.5.150.0070.06317.37
5.5.140.0070.06017.36
5.5.130.0130.06717.25
5.5.120.0130.04017.22
5.5.110.0100.07317.32
5.5.100.0200.06317.23
5.5.90.0070.07317.21
5.5.80.0030.07717.20
5.5.70.0070.07017.11
5.5.60.0100.07017.21
5.5.50.0070.03317.16
5.5.40.0070.03317.14
5.5.30.0070.04017.19
5.5.20.0000.04017.13
5.5.10.0030.04017.25
5.5.00.0100.04017.14
5.4.450.0070.08719.34
5.4.440.0200.06719.31
5.4.430.0100.08019.30
5.4.420.0030.08019.41
5.4.410.0030.07719.16
5.4.400.0100.04318.80
5.4.390.0070.05019.21
5.4.380.0130.07319.03
5.4.370.0070.05319.03
5.4.360.0130.07019.09
5.4.350.0030.03718.99
5.4.340.0000.05718.98
5.4.320.0070.07319.03
5.4.310.0170.06719.11
5.4.300.0070.05019.20
5.4.290.0030.06319.20
5.4.280.0100.07019.12
5.4.270.0030.08319.20
5.4.260.0100.07318.98
5.4.250.0030.04719.04
5.4.240.0130.07018.82
5.4.230.0030.04718.98
5.4.220.0170.07019.00
5.4.210.0100.04318.95
5.4.200.0030.04318.98
5.4.190.0130.02718.97
5.4.180.0070.03318.94
5.4.170.0000.04019.11
5.4.160.0000.04018.80
5.4.150.0000.04018.98
5.4.140.0070.03316.24
5.4.130.0030.03316.27
5.4.120.0030.03316.35
5.4.110.0070.03316.38
5.4.100.0030.03316.43
5.4.90.0030.03316.17
5.4.80.0030.03316.37
5.4.70.0030.04316.24
5.4.60.0070.03016.22
5.4.50.0070.03016.34
5.4.40.0000.04316.55
5.4.30.0030.03316.26
5.4.20.0000.03716.32
5.4.10.0000.03716.25
5.4.00.0000.03715.61
5.3.290.0070.04714.49
5.3.280.0070.07014.37
5.3.270.0100.03314.57
5.3.260.0100.03314.57
5.3.250.0070.03314.55
5.3.240.0000.04014.43
5.3.230.0030.03714.51
5.3.220.0070.03014.38
5.3.210.0030.03714.54
5.3.200.0000.04014.51
5.3.190.0030.03714.41
5.3.180.0100.03714.42
5.3.170.0000.03714.52
5.3.160.0030.03714.38
5.3.150.0000.03714.48
5.3.140.0000.03714.50
5.3.130.0030.04014.52
5.3.120.0100.03014.48
5.3.110.0070.03314.51
5.3.100.0000.03713.98
5.3.90.0030.03313.98
5.3.80.0030.03313.92
5.3.70.0000.03713.94
5.3.60.0070.03013.75
5.3.50.0030.03313.70
5.3.40.0000.03713.87
5.3.30.0030.03313.67
5.3.20.0030.03313.66
5.3.10.0030.03713.59
5.3.00.0070.05013.57
5.2.170.0000.03011.09
5.2.160.0000.03011.13
5.2.150.0030.03311.17
5.2.140.0000.03011.06
5.2.130.0000.03010.93
5.2.120.0030.02711.04
5.2.110.0030.05010.88
5.2.100.0030.03711.06
5.2.90.0030.03311.06
5.2.80.0030.06310.91
5.2.70.0070.04010.86
5.2.60.0070.06011.05
5.2.50.0030.03710.98
5.2.40.0030.05710.98
5.2.30.0070.05311.11
5.2.20.0000.03710.93
5.2.10.0100.04310.81
5.2.00.0070.06310.71
5.1.60.0000.0479.97
5.1.50.0070.03710.03
5.1.40.0070.0479.95
5.1.30.0030.03710.25
5.1.20.0030.03010.29
5.1.10.0030.05310.22
5.1.00.0100.05010.13
5.0.50.0000.0308.59
5.0.40.0070.0408.38
5.0.30.0000.0608.29
5.0.20.0070.0408.20
5.0.10.0000.0438.20
5.0.00.0100.0578.20
4.4.90.0070.0108.20
4.4.80.0000.0308.20
4.4.70.0000.0378.20
4.4.60.0000.0338.20
4.4.50.0000.0308.20
4.4.40.0000.0438.20
4.4.30.0000.0208.20
4.4.20.0000.0308.20
4.4.10.0000.0208.20
4.4.00.0070.0508.20
4.3.110.0030.0278.20
4.3.100.0000.0308.20
4.3.90.0000.0278.20
4.3.80.0000.0408.20
4.3.70.0030.0308.20
4.3.60.0000.0278.20
4.3.50.0030.0378.20
4.3.40.0030.0508.20
4.3.30.0000.0338.20
4.3.20.0000.0308.20
4.3.10.0030.0378.20
4.3.00.0030.0278.20

preferences:
59.32 ms | 401 KiB | 5 Q