3v4l.org

run code in 300+ PHP versions simultaneously
<?php $phrase = "The key is now set to "; $key = ":key"; $var = "if > $1000"; $re = "/(.+?)(" . $key . ")(.*)/"; $subst = "$1'" . $var . "'$3"; echo preg_replace($re, $subst, $phrase);

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)
8.3.60.0120.00616.88
8.3.50.0280.00622.12
8.3.40.0100.00718.95
8.3.30.0080.00618.84
8.3.20.0050.00320.46
8.3.10.0080.00023.70
8.3.00.0050.00319.68
8.2.180.0070.01018.46
8.2.170.0070.01022.96
8.2.160.0030.01020.33
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0070.00026.16
8.2.120.0060.00317.75
8.2.110.0060.00319.33
8.2.100.0090.00317.84
8.2.90.0060.00319.26
8.2.80.0080.00017.97
8.2.70.0040.00417.88
8.2.60.0070.00317.80
8.2.50.0060.00318.07
8.2.40.0060.00321.01
8.2.30.0060.00320.57
8.2.20.0050.00517.89
8.2.10.0040.00418.14
8.2.00.0040.00418.13
8.1.280.0150.00025.92
8.1.270.0070.00724.04
8.1.260.0050.00226.35
8.1.250.0070.00028.09
8.1.240.0030.00621.37
8.1.230.0090.00317.42
8.1.220.0030.00517.79
8.1.210.0030.00618.77
8.1.200.0030.00617.25
8.1.190.0060.00317.35
8.1.180.0080.00018.10
8.1.170.0040.00420.39
8.1.160.0030.00622.04
8.1.150.0040.00418.91
8.1.140.0060.00319.43
8.1.130.0000.00717.61
8.1.120.0040.00417.63
8.1.110.0000.01017.62
8.1.100.0030.00317.59
8.1.90.0000.00717.60
8.1.80.0000.00717.50
8.1.70.0030.00317.59
8.1.60.0000.00817.64
8.1.50.0040.00417.57
8.1.40.0040.00417.51
8.1.30.0030.00517.70
8.1.20.0030.00617.73
8.1.10.0090.00017.68
8.1.00.0000.00817.64
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0030.00318.48
8.0.270.0000.00817.21
8.0.260.0030.00317.27
8.0.250.0000.00717.12
8.0.240.0030.00317.07
8.0.230.0070.00017.11
8.0.220.0000.00716.99
8.0.210.0030.00517.07
8.0.200.0050.00217.06
8.0.190.0000.00817.12
8.0.180.0040.00717.02
8.0.170.0080.00017.11
8.0.160.0040.00416.97
8.0.150.0070.00016.98
8.0.140.0000.00816.96
8.0.130.0050.00013.50
8.0.120.0030.00617.06
8.0.110.0000.00817.08
8.0.100.0070.00016.93
8.0.90.0070.00016.89
8.0.80.0100.00717.01
8.0.70.0050.00217.04
8.0.60.0040.00417.09
8.0.50.0000.00717.05
8.0.30.0110.00617.14
8.0.20.0070.01417.40
8.0.10.0040.00416.95
8.0.00.0080.01016.85
7.4.330.0060.00015.08
7.4.320.0060.00016.64
7.4.300.0040.00416.65
7.4.290.0000.01016.75
7.4.280.0070.00416.63
7.4.270.0060.00016.72
7.4.260.0030.00316.72
7.4.250.0030.00316.72
7.4.240.0040.00416.69
7.4.230.0000.00616.56
7.4.220.0130.00616.69
7.4.210.0080.00816.68
7.4.200.0030.00316.40
7.4.160.0170.00316.61
7.4.150.0140.00317.40
7.4.140.0140.00917.86
7.4.130.0130.00616.72
7.4.120.0060.01516.62
7.4.110.0140.00716.77
7.4.100.0120.00916.59
7.4.90.0140.00316.67
7.4.80.0130.00719.39
7.4.70.0090.00616.71
7.4.60.0110.00716.50
7.4.50.0040.00416.32
7.4.40.0080.00816.60
7.4.30.0100.01316.77
7.4.00.0070.01014.94
7.3.330.0030.00313.21
7.3.320.0030.00313.26
7.3.310.0030.00316.37
7.3.300.0070.00016.41
7.3.290.0070.00916.38
7.3.280.0070.01016.35
7.3.270.0060.01117.40
7.3.260.0120.00916.38
7.3.250.0140.00616.59
7.3.240.0100.01016.49
7.3.230.0090.00916.71
7.3.210.0110.00716.68
7.3.200.0090.00616.61
7.3.190.0100.00616.68
7.3.180.0030.01316.45
7.3.170.0130.00316.61
7.3.160.0100.01116.69
7.2.330.0120.00616.53
7.2.320.0090.01016.82
7.2.310.0140.00316.70
7.2.300.0060.00916.81
7.2.290.0000.01716.68
7.2.60.0120.00616.79
7.2.00.0070.00719.41
7.1.200.0040.01215.64
7.1.100.0150.00918.14
7.1.70.0040.00717.07
7.1.60.0000.02419.50
7.1.50.0130.01017.26
7.1.00.0070.07322.45
7.0.200.0250.01115.11
7.0.60.0070.04020.00
7.0.50.0030.04317.89
7.0.40.0170.08020.05
7.0.30.0230.07720.04
7.0.20.0130.05020.07
7.0.10.0100.08320.05
7.0.00.0100.08320.19
5.6.280.0000.04021.09
5.6.210.0070.05020.50
5.6.200.0030.05718.15
5.6.190.0070.05320.45
5.6.180.0270.06020.57
5.6.170.0170.04020.54
5.6.160.0100.07320.44
5.6.150.0100.07718.09
5.6.140.0070.06318.21
5.6.130.0170.06318.03
5.6.120.0030.07720.90
5.6.110.0030.08721.03
5.6.100.0100.04021.10
5.6.90.0070.04720.89
5.6.80.0030.04020.52
5.5.350.0070.08320.47
5.5.340.0030.08317.89
5.5.330.0030.07320.19
5.5.320.3900.04720.29
5.5.310.0230.05320.32
5.5.300.0030.04317.98
5.5.290.0100.07718.00
5.5.280.0100.08020.64
5.5.270.0000.04320.86
5.5.260.0070.08020.86
5.5.250.0030.05320.57
5.5.240.0070.05020.34
5.4.450.0800.06319.47
5.4.440.1030.06319.61
5.4.430.0970.06319.27
5.4.420.0930.06719.46
5.4.410.0800.06019.36
5.4.400.0900.05019.31
5.4.390.0700.06319.25
5.4.380.0830.05319.28
5.4.370.0630.06319.19
5.4.360.0900.05719.13
5.4.350.0770.05319.21
5.4.340.0830.06319.32
5.4.320.0870.05018.95
5.4.310.0770.04719.15
5.4.300.0770.05019.21
5.4.290.0800.05019.25
5.4.280.0900.06018.99
5.4.270.0900.07019.14
5.4.260.0630.06319.12
5.4.250.0800.05018.91
5.4.240.0830.04718.98
5.4.230.0730.05719.29
5.4.220.0830.05719.09
5.4.210.0730.05318.99
5.4.200.0700.05718.80
5.4.190.0830.05319.14
5.4.180.0770.05719.25
5.4.170.0830.05019.28
5.4.160.0800.05018.92
5.4.150.0970.05319.14
5.4.140.0700.07016.39
5.4.130.1070.06716.49
5.4.120.0800.04716.49
5.4.110.0670.05316.58
5.4.100.0630.05716.49
5.4.90.0130.05316.23
5.4.80.0200.04016.35
5.4.70.0230.05016.29
5.4.60.0100.03016.41
5.4.50.0030.03316.49
5.4.40.0200.05316.04
5.4.30.0330.06016.36
5.4.20.0030.07016.34

preferences:
50.56 ms | 401 KiB | 5 Q