3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'abc/{foo}/sdasd/{bar}'; $a = ['one', 'two']; do { $r = preg_replace('/\{*.\}/', array_shift($a), $s, 1); var_dump($r); } while ($r !== null);

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)
8.3.70.0110.01118.62
8.3.60.0200.01318.56
8.3.50.0190.00821.08
8.3.40.0120.00318.67
8.3.30.0090.00620.31
8.3.20.0250.00420.16
8.3.10.0190.00021.95
8.3.00.0110.01122.44
8.2.180.0030.01317.00
8.2.170.0090.00622.96
8.2.160.0120.01222.26
8.2.150.0100.00024.18
8.2.140.0120.00624.66
8.2.130.0130.00626.16
8.2.120.0030.00621.12
8.2.110.0000.01022.11
8.2.100.0110.01118.03
8.2.90.0000.00819.08
8.2.80.0050.00519.31
8.2.70.0040.00417.75
8.2.60.0090.00017.93
8.2.50.0060.00618.07
8.2.40.0030.00618.09
8.2.30.0030.00719.45
8.2.20.0000.00717.89
8.2.10.0030.00618.05
8.2.00.0040.00817.96
8.1.280.0130.00325.92
8.1.270.0220.00023.99
8.1.260.0080.00326.35
8.1.250.0170.00028.09
8.1.240.0100.00023.94
8.1.230.0090.00319.15
8.1.220.0150.00017.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0060.00617.16
8.1.180.0050.00519.01
8.1.170.0050.00518.74
8.1.160.0090.00318.85
8.1.150.0060.00618.79
8.1.140.0040.00417.51
8.1.130.0090.00017.91
8.1.120.0090.00417.64
8.1.110.0080.00517.53
8.1.100.0000.00817.66
8.1.90.0040.00517.49
8.1.80.0030.00717.58
8.1.70.0000.01017.59
8.1.60.0120.00017.79
8.1.50.0030.00617.62
8.1.40.0000.00917.62
8.1.30.0110.00017.59
8.1.20.0090.00317.72
8.1.10.0040.00917.62
8.1.00.0040.00717.71
8.0.300.0030.00618.77
8.0.290.0030.00616.92
8.0.280.0060.00318.28
8.0.270.0030.01017.19
8.0.260.0080.00416.95
8.0.250.0030.00616.96
8.0.240.0030.00616.93
8.0.230.0090.00316.88
8.0.220.0090.00616.74
8.0.210.0140.00016.89
8.0.200.0060.00616.98
8.0.190.0070.00317.04
8.0.180.0040.00916.81
8.0.170.0060.00316.92
8.0.160.0040.00816.82
8.0.150.0080.00816.81
8.0.140.0030.00616.93
8.0.130.0040.00813.44
8.0.120.0090.00416.85
8.0.110.0030.01016.85
8.0.100.0000.01016.70
8.0.90.0030.00716.88
8.0.80.0180.02716.85
8.0.70.0000.01216.86
8.0.60.0060.00316.74
8.0.50.0080.00416.73
8.0.30.0340.01316.99
8.0.20.0470.02217.40
8.0.10.0000.00916.81
8.0.00.0400.03116.72
7.4.330.0100.00315.00
7.4.320.0040.00816.61
7.4.300.0080.00516.67
7.4.290.0000.00816.51
7.4.280.0040.00816.68
7.4.270.0040.00816.66
7.4.260.0090.00613.41
7.4.250.0120.00416.47
7.4.240.0050.00416.67
7.4.230.0000.00816.77
7.4.220.0300.02216.71
7.4.210.0190.02216.57
7.4.200.0090.00016.72
7.4.190.0000.01016.48
7.4.160.0550.02016.56
7.4.150.0190.01317.40
7.4.140.0420.02917.86
7.4.130.0360.02016.64
7.4.120.0490.01616.58
7.4.110.0300.02116.72
7.4.100.0230.02316.57
7.4.90.0170.03216.68
7.4.80.0590.03619.39
7.4.70.0630.06716.54
7.4.60.0410.02416.39
7.4.50.0110.01116.69
7.4.40.0110.00622.77
7.4.30.0630.02216.49
7.3.330.0030.00613.20
7.3.320.0070.00013.26
7.3.310.0030.00516.06
7.3.300.0040.00816.14
7.3.290.0200.02016.21
7.3.280.0120.02316.24
7.3.270.0450.02717.40
7.3.260.0280.01916.40
7.3.250.0370.02816.47
7.3.240.0360.01016.22
7.3.230.0340.03916.50
7.3.210.0530.02116.34
7.3.200.0360.03819.39
7.3.190.0260.02116.45
7.3.180.0170.02316.46
7.3.170.0680.04116.60
7.3.160.0270.02316.19
7.2.330.0210.02716.64
7.2.320.0690.02516.62
7.2.310.0550.02116.72
7.2.300.0320.02016.51
7.2.290.0250.02816.73
7.2.100.2150.01314.74
7.2.90.1590.01314.51
7.2.80.1810.01314.71
7.2.70.1260.02015.00
7.2.60.1760.01915.03
7.2.50.1850.01615.16
7.2.40.1300.01614.85
7.2.30.1230.01014.72
7.2.20.0660.01414.77
7.2.10.0440.01115.07
7.2.00.0350.00814.86
7.1.220.1920.01313.88
7.1.210.1750.01613.77
7.1.200.1810.01613.93
7.1.190.1800.01313.77
7.1.180.1660.01313.87
7.1.170.1830.00314.08
7.1.160.0250.01414.14
7.1.150.0580.02513.58
7.1.140.1330.00614.02
7.1.130.1280.01813.82
7.1.120.0270.00013.70
7.1.110.1420.01013.89
7.1.100.0290.01613.79
7.1.90.0170.02413.62
7.1.80.1490.01013.97
7.1.70.0960.01714.13
7.1.60.1360.01331.85
7.1.50.1300.03031.93
7.1.40.0420.01631.94
7.1.30.0440.01531.93
7.1.20.1460.02231.79
7.1.10.0650.02213.80
7.1.00.0920.01413.64
7.0.310.2080.01413.61
7.0.300.1890.01413.74
7.0.290.0330.00913.35
7.0.280.0330.00713.76
7.0.270.0380.02113.54
7.0.260.0430.01313.32
7.0.250.0170.01713.38
7.0.240.0800.00013.48
7.0.230.1420.01613.44
7.0.220.1600.01613.38
7.0.210.1050.00913.54
7.0.200.1390.00313.68
7.0.190.0240.01513.43
7.0.180.0530.00613.50
7.0.170.1260.02013.48
7.0.160.0380.00313.45
7.0.150.0220.01913.45
7.0.140.1550.00313.42
7.0.130.1430.01813.84
7.0.120.0380.01013.56
7.0.110.1220.00413.73
7.0.100.0190.01713.78
7.0.90.0300.01613.58
7.0.80.1420.00713.43
7.0.70.0280.01413.72
7.0.60.0250.00413.55
7.0.50.0360.01213.71
7.0.40.1100.00013.81
7.0.30.0260.01313.60
7.0.20.0250.01913.60
7.0.10.1280.00713.54
7.0.00.1220.01813.73
5.6.380.0270.01414.09
5.6.370.0220.02513.80
5.6.360.0140.02514.48
5.6.350.0190.01913.88
5.6.340.0460.01314.28
5.6.330.0150.00914.18
5.6.320.0140.03113.91
5.6.310.0120.01214.13
5.6.300.0150.01914.04
5.6.290.0180.01514.16
5.6.280.0240.01913.92
5.6.270.0220.00613.94
5.6.260.0130.02814.12
5.6.250.0190.01914.56
5.6.240.0200.02614.20
5.6.230.0200.01714.25
5.6.220.0110.02114.20
5.6.210.0270.01714.21
5.6.200.0140.02114.11
5.6.190.0350.00814.21
5.6.180.0170.01014.43
5.6.170.0160.02214.44
5.6.160.0140.01814.15
5.6.150.0140.01314.29
5.6.140.0160.02014.38
5.6.130.0120.02514.33
5.6.120.0180.01813.88
5.6.110.0110.02214.00
5.6.100.0150.01114.01
5.6.90.0230.01114.17
5.6.80.0160.01614.27
5.6.70.0230.01114.04
5.6.60.0170.02714.09
5.5.380.0290.00912.64
5.5.370.0150.02412.64
5.5.360.0290.00612.64
5.5.350.0180.01712.64
5.5.340.0270.02012.64
5.5.330.0130.01612.64
5.5.320.0160.01712.64
5.5.310.0140.02512.64
5.5.300.0110.02112.64
5.5.290.0180.00812.64
5.5.280.0200.01312.64
5.5.270.0070.01612.64
5.5.260.0140.00412.64
5.5.250.0090.01212.64
5.5.240.0110.02212.64
5.5.230.0110.02612.64
5.4.450.0120.01712.64
5.4.440.0170.01412.64
5.4.430.0140.00712.64
5.4.420.0210.00912.64
5.4.410.0120.01812.64
5.4.400.0140.01712.64
5.4.390.0050.02412.64

preferences:
39.5 ms | 401 KiB | 5 Q