3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_replace('/#{(\W*)( (.*))?}/', '<?=$1($2)?>', "#{abc d}");

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)
8.3.60.0090.00616.48
8.3.50.0110.00722.07
8.3.40.0140.00018.70
8.3.30.0040.01119.09
8.3.20.0040.00420.34
8.3.10.0080.00023.28
8.3.00.0070.00319.50
8.2.180.0120.00318.20
8.2.170.0090.00622.96
8.2.160.0030.01020.43
8.2.150.0090.00024.18
8.2.140.0000.00824.66
8.2.130.0070.00726.16
8.2.120.0070.00022.20
8.2.110.0060.00322.32
8.2.100.0080.00418.03
8.2.90.0080.00019.15
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0090.00018.09
8.2.30.0000.00818.01
8.2.20.0050.00317.73
8.2.10.0000.00918.01
8.2.00.0040.00417.63
8.1.280.0100.01025.92
8.1.270.0080.00023.83
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.71
8.1.230.0030.00719.14
8.1.220.0090.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0000.00817.41
8.1.180.0050.00318.10
8.1.170.0000.01218.57
8.1.160.0000.00721.97
8.1.150.0000.00818.62
8.1.140.0070.00017.46
8.1.130.0000.00717.75
8.1.120.0040.00417.50
8.1.110.0040.00417.35
8.1.100.0000.00717.47
8.1.90.0040.00417.53
8.1.80.0000.00817.36
8.1.70.0000.00717.38
8.1.60.0000.00817.59
8.1.50.0040.00417.56
8.1.40.0040.00417.47
8.1.30.0000.00817.51
8.1.20.0000.00817.56
8.1.10.0000.00817.59
8.1.00.0050.00317.41
8.0.300.0000.00718.77
8.0.290.0030.00317.05
8.0.280.0030.00318.40
8.0.270.0040.00417.12
8.0.260.0030.00317.20
8.0.250.0000.00716.94
8.0.240.0000.00816.94
8.0.230.0040.00416.86
8.0.220.0000.00716.92
8.0.210.0030.00416.96
8.0.200.0060.00016.95
8.0.190.0040.00416.85
8.0.180.0050.00216.93
8.0.170.0080.00016.93
8.0.160.0040.00416.92
8.0.150.0000.00816.80
8.0.140.0080.00016.84
8.0.130.0000.00613.34
8.0.120.0000.00716.85
8.0.110.0040.00416.92
8.0.100.0040.00416.76
8.0.90.0000.00716.92
8.0.80.0060.00916.85
8.0.70.0040.00416.81
8.0.60.0000.00716.76
8.0.50.0040.00416.75
8.0.30.0140.00617.15
8.0.20.0130.00417.40
8.0.10.0000.00816.88
8.0.00.0070.01016.86
7.4.330.0030.00315.00
7.4.320.0030.00316.57
7.4.300.0000.00616.57
7.4.290.0040.00416.50
7.4.280.0030.00316.71
7.4.270.0000.00716.68
7.4.260.0070.00016.69
7.4.250.0000.00716.55
7.4.240.0020.00516.54
7.4.230.0000.00716.46
7.4.220.0060.01316.70
7.4.210.0080.00716.68
7.4.200.0040.00416.72
7.4.190.0040.00416.38
7.4.160.0040.01316.32
7.4.150.0080.00817.40
7.4.140.0080.01317.86
7.4.130.0220.00916.64
7.4.120.0130.00616.74
7.4.110.0040.01416.34
7.4.100.0160.00716.45
7.4.90.0120.00616.57
7.4.80.0110.00519.39
7.4.70.0070.01016.57
7.4.60.0080.00716.63
7.4.50.0050.00316.54
7.4.40.0050.00822.77
7.4.30.0030.01316.71
7.4.00.0000.01515.03
7.3.330.0000.00513.18
7.3.320.0050.00013.13
7.3.310.0040.00416.41
7.3.300.0070.00016.30
7.3.290.0110.00916.28
7.3.280.0080.01016.28
7.3.270.0050.01317.40
7.3.260.0250.01616.52
7.3.250.0110.00916.49
7.3.240.0060.01116.23
7.3.230.0110.00516.60
7.3.210.0080.01516.87
7.3.200.0120.00619.39
7.3.190.0090.01416.35
7.3.180.0100.00616.28
7.3.170.0120.00616.31
7.3.160.0090.00616.32
7.3.120.0100.00715.02
7.3.10.0090.00616.75
7.3.00.0060.01216.70
7.2.330.0000.01716.64
7.2.320.0070.01016.57
7.2.310.0100.00716.54
7.2.300.0090.00616.67
7.2.290.0100.00716.53
7.2.130.0070.00716.85
7.2.120.0070.01116.98
7.2.110.0030.00616.63
7.2.100.0140.00016.95
7.2.90.0040.00816.82
7.2.80.0070.01016.72
7.2.70.0040.01216.58
7.2.60.0050.00616.99
7.2.50.0040.01116.73
7.2.40.0040.01217.09
7.2.30.0080.00616.79
7.2.20.0110.00716.93
7.2.10.0040.01116.96
7.2.00.0030.00818.30
7.1.250.0100.01015.69
7.1.200.0070.00715.94
7.1.100.0000.01018.01
7.1.70.0030.00617.36
7.1.60.0040.01919.33
7.1.50.0270.01034.79
7.1.00.0100.07022.38
7.0.200.0040.00416.54
7.0.140.0000.07722.09
7.0.100.0230.06019.93
7.0.90.0070.04019.85
7.0.80.0400.08719.88
7.0.70.0030.07319.88
7.0.60.0100.06319.98
7.0.50.0030.06020.34
7.0.40.0100.04020.00
7.0.30.0100.04020.08
7.0.20.0070.07320.15
7.0.10.0130.08020.14
7.0.00.0130.05320.16
5.6.250.0070.08020.75
5.6.240.0100.07020.59
5.6.230.0130.04320.67
5.6.220.0030.05020.45
5.6.210.0070.07020.46
5.6.200.0070.07321.11
5.6.190.0030.07721.00
5.6.180.0030.06721.02
5.6.170.0030.08021.01
5.6.160.0130.07021.11
5.6.150.0130.06321.07
5.6.140.0170.06321.10
5.6.130.0070.06321.16
5.6.120.0030.04321.10
5.6.110.0100.09021.03
5.6.100.0000.05021.00
5.6.90.0100.06321.14
5.6.80.0070.04320.48
5.6.70.0100.04020.44
5.6.60.0030.04720.30
5.6.50.0070.04020.31
5.6.40.0030.03320.52
5.6.30.0000.03720.30
5.6.20.0030.04320.42
5.6.10.0000.04320.42
5.6.00.0070.03320.36
5.5.380.0070.08020.36
5.5.370.0030.07720.38
5.5.360.0070.05320.47
5.5.350.0070.04020.39
5.5.340.0170.03320.73
5.5.330.0000.05020.94
5.5.320.0100.04320.91
5.5.310.0170.07320.90
5.5.300.0000.05720.90
5.5.290.0000.05720.79
5.5.280.0000.09020.82
5.5.270.0030.05320.85
5.5.260.0070.05020.91
5.5.250.0030.05320.67
5.5.240.0170.07020.28
5.5.230.0070.05020.11
5.5.220.0030.03720.16
5.5.210.0070.04020.27
5.5.200.0030.03320.08
5.5.190.0030.04320.12
5.5.180.0030.04020.27
5.5.160.0030.04020.20
5.5.150.0070.07020.23
5.5.140.0130.07720.07
5.5.130.0070.08720.22
5.5.120.0000.05020.07
5.5.110.0070.06720.20
5.5.100.0070.03720.11
5.5.90.0100.03720.04
5.5.80.0070.03719.96
5.5.70.0030.04020.13
5.5.60.0070.04320.15
5.5.50.0000.04019.92
5.5.40.0000.03720.14
5.5.30.0030.05320.05
5.5.20.0030.04020.02
5.5.10.0070.03720.04
5.5.00.0000.04320.02
5.4.450.0070.08019.38
5.4.440.0200.06719.15
5.4.430.0070.07719.13
5.4.420.0070.05719.24
5.4.410.0030.07719.25
5.4.400.0170.04318.91
5.4.390.0030.07319.04
5.4.380.0030.04019.05
5.4.370.0030.03718.96
5.4.360.0070.03019.13
5.4.350.0070.03719.05
5.4.340.0130.03019.02
5.4.320.0130.02718.96
5.4.310.0070.03319.23
5.4.300.0070.06319.02
5.4.290.0130.06319.11
5.4.280.0070.03718.80
5.4.270.0070.03018.89
5.4.260.0070.03319.02
5.4.250.0000.04019.05
5.4.240.0030.04019.22
5.4.230.0030.04019.05
5.4.220.0070.03719.04
5.4.210.0100.03019.09
5.4.200.0030.03718.80
5.4.190.0000.06019.11
5.4.180.0100.03719.21
5.4.170.0100.03019.10
5.4.160.0100.02719.21
5.4.150.0100.03719.02
5.4.140.0030.03716.28
5.4.130.0000.03716.28
5.4.120.0000.04016.26
5.4.110.0100.03016.36
5.4.100.0000.04016.42
5.4.90.0000.03716.27
5.4.80.0070.03016.31
5.4.70.0000.05016.24
5.4.60.0070.03316.28
5.4.50.0070.03316.23
5.4.40.0030.05316.43
5.4.30.0130.06016.23
5.4.20.0030.06716.30
5.4.10.0130.06716.32
5.4.00.0100.06715.86
5.3.290.0030.03714.62
5.3.280.0030.03014.45
5.3.270.0000.04014.42
5.3.260.0070.02714.60
5.3.250.0000.03314.53
5.3.240.0000.03714.57
5.3.230.0070.02714.41
5.3.220.0000.03714.42
5.3.210.0030.03714.40
5.3.200.0070.04714.54
5.3.190.0000.04714.39
5.3.180.0000.04014.41
5.3.170.0000.03314.55
5.3.160.0070.02714.54
5.3.150.0030.03314.51
5.3.140.0030.03714.39
5.3.130.0030.05014.53
5.3.120.0100.07014.50
5.3.110.0070.05314.39
5.3.100.0070.07713.99
5.3.90.0100.06013.92
5.3.80.0000.06314.00
5.3.70.0030.07714.02
5.3.60.0130.07313.96
5.3.50.0030.07313.95
5.3.40.0030.04013.92
5.3.30.0000.04313.75
5.3.20.0070.04313.59
5.3.10.0070.07313.64
5.3.00.0030.04013.59
5.2.170.0070.06010.97
5.2.160.0000.04710.96
5.2.150.0130.04711.05
5.2.140.0070.06011.18
5.2.130.0000.03311.14
5.2.120.0000.05311.04
5.2.110.0030.06011.09
5.2.100.0100.05711.11
5.2.90.0030.03311.09
5.2.80.0030.06310.97
5.2.70.0000.03311.06
5.2.60.0000.06711.04
5.2.50.0070.03310.96
5.2.40.0030.05010.83
5.2.30.0070.05710.89
5.2.20.0030.06710.98
5.2.10.0070.04710.71
5.2.00.0100.03710.63
5.1.60.0100.0509.82
5.1.50.0030.0539.82
5.1.40.0000.05310.06
5.1.30.0030.05010.38
5.1.20.0000.03010.20
5.1.10.0100.0439.90
5.1.00.0000.04310.09
5.0.50.0100.0308.53
5.0.40.0070.0408.46
5.0.30.0100.0578.22
5.0.20.0030.0438.24
5.0.10.0070.0338.27
5.0.00.0030.0408.22
4.4.90.0000.0177.80
4.4.80.0000.0177.80
4.4.70.0030.0207.80
4.4.60.0070.0137.80
4.4.50.0030.0307.80
4.4.40.0000.0307.80
4.4.30.0030.0337.80
4.4.20.0000.0377.80
4.4.10.0070.0307.80
4.4.00.0000.0537.80
4.3.110.0030.0307.80
4.3.100.0000.0207.80
4.3.90.0000.0337.80
4.3.80.0000.0507.80
4.3.70.0000.0207.80
4.3.60.0000.0207.80
4.3.50.0070.0307.80
4.3.40.0000.0537.80
4.3.30.0030.0277.80
4.3.20.0000.0207.80
4.3.10.0000.0437.80
4.3.00.0100.0137.80

preferences:
37.2 ms | 400 KiB | 5 Q