3v4l.org

run code in 300+ PHP versions simultaneously
<?php $phrase = "The key is now set to :key"; $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)
8.3.60.0140.00716.50
8.3.50.0170.00621.28
8.3.40.0130.00318.87
8.3.30.0050.01018.91
8.3.20.0040.00420.25
8.3.10.0080.00023.65
8.3.00.0000.00817.93
8.2.180.0070.01118.41
8.2.170.0070.01022.96
8.2.160.0100.00320.49
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0060.00317.88
8.2.110.0090.00322.42
8.2.100.0060.00617.93
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0040.00418.05
8.2.50.0050.00318.07
8.2.40.0000.01119.43
8.2.30.0050.00620.61
8.2.20.0000.00917.72
8.2.10.0040.00418.21
8.2.00.0000.01018.14
8.1.280.0150.00025.92
8.1.270.0090.00923.82
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0090.00022.65
8.1.230.0060.00917.68
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00817.38
8.1.180.0030.00518.10
8.1.170.0040.00420.41
8.1.160.0040.00421.96
8.1.150.0070.00018.85
8.1.140.0040.00419.28
8.1.130.0030.00317.60
8.1.120.0030.00417.66
8.1.110.0060.00317.48
8.1.100.0040.00417.55
8.1.90.0000.00717.64
8.1.80.0000.00817.61
8.1.70.0000.00717.57
8.1.60.0000.00817.61
8.1.50.0050.00317.64
8.1.40.0080.00017.52
8.1.30.0040.00417.87
8.1.20.0000.00917.67
8.1.10.0090.00017.70
8.1.00.0000.00817.43
8.0.300.0050.00518.77
8.0.290.0080.00017.00
8.0.280.0070.00018.32
8.0.270.0030.00317.32
8.0.260.0000.00617.29
8.0.250.0050.00217.11
8.0.240.0020.00517.01
8.0.230.0000.00717.05
8.0.220.0000.00817.00
8.0.210.0070.00017.02
8.0.200.0030.00317.10
8.0.190.0000.00917.00
8.0.180.0050.00317.09
8.0.170.0080.00017.09
8.0.160.0070.00017.03
8.0.150.0000.00817.01
8.0.140.0070.00016.91
8.0.130.0030.00313.54
8.0.120.0000.00717.02
8.0.110.0040.00416.94
8.0.100.0030.00516.94
8.0.90.0070.00017.11
8.0.80.0070.00716.99
8.0.70.0050.00216.94
8.0.60.0040.00416.85
8.0.50.0040.00416.75
8.0.30.0120.00717.20
8.0.20.0110.01117.40
8.0.10.0000.00717.05
8.0.00.0090.00816.94
7.4.330.0000.00515.11
7.4.320.0000.00616.63
7.4.300.0030.00316.72
7.4.290.0100.00016.79
7.4.280.0070.00316.64
7.4.270.0040.00416.77
7.4.260.0030.00316.64
7.4.250.0000.00816.51
7.4.240.0050.00216.76
7.4.230.0050.00216.58
7.4.220.0120.00616.69
7.4.210.0100.00616.75
7.4.200.0030.00316.66
7.4.160.0070.01416.54
7.4.150.0090.00917.40
7.4.140.0130.00517.86
7.4.130.0110.01016.57
7.4.120.0050.01416.73
7.4.110.0090.00916.59
7.4.100.0120.00616.60
7.4.90.0150.00416.65
7.4.80.0060.01119.39
7.4.70.0070.01016.80
7.4.60.0110.01116.55
7.4.50.0000.00416.71
7.4.40.0180.00416.54
7.4.30.0100.01016.56
7.4.10.0070.01315.16
7.4.00.0050.01115.11
7.3.330.0050.00013.32
7.3.320.0030.00313.26
7.3.310.0040.00416.30
7.3.300.0040.00416.45
7.3.290.0080.01016.38
7.3.280.0050.01216.44
7.3.270.0080.00817.40
7.3.260.0060.01216.41
7.3.250.0090.00916.59
7.3.240.0100.00716.54
7.3.230.0090.01116.65
7.3.210.0040.01116.61
7.3.200.0140.00716.40
7.3.190.0070.01416.46
7.3.180.0100.00616.70
7.3.170.0070.01016.66
7.3.160.0090.01216.43
7.3.130.0030.01615.21
7.3.120.0110.00714.88
7.3.110.0090.00914.71
7.3.100.0060.00615.21
7.3.90.0040.01414.81
7.3.80.0120.00414.86
7.3.70.0080.00414.71
7.3.60.0030.00914.89
7.3.50.0000.01215.02
7.3.40.0070.00714.68
7.3.30.0050.00514.84
7.3.20.0060.01316.47
7.3.10.0070.00716.64
7.3.00.0060.00316.75
7.2.330.0160.00616.82
7.2.320.0080.01416.81
7.2.310.0090.00616.70
7.2.300.0130.00316.84
7.2.290.0120.01216.70
7.2.260.0060.01015.21
7.2.250.0060.01315.33
7.2.240.0060.01215.13
7.2.230.0120.00315.36
7.2.220.0030.01315.26
7.2.210.0030.01215.21
7.2.200.0060.00615.14
7.2.190.0090.00615.00
7.2.180.0080.00815.02
7.2.170.0100.00015.15
7.2.160.0000.00915.13
7.2.150.0090.00617.21
7.2.140.0080.00817.16
7.2.130.0000.01516.64
7.2.120.0040.00716.80
7.2.110.0080.00817.10
7.2.100.0060.01017.09
7.2.90.0090.00616.91
7.2.80.0080.00617.00
7.2.70.0030.01316.97
7.2.60.0030.01117.12
7.2.50.0110.00317.18
7.2.40.0070.01016.83
7.2.30.0090.00616.96
7.2.20.0000.01017.03
7.2.10.0040.01217.07
7.2.00.0040.00818.47
7.1.330.0060.00916.00
7.1.320.0000.01416.09
7.1.310.0060.00915.92
7.1.300.0060.00315.99
7.1.290.0080.00816.00
7.1.280.0000.00915.55
7.1.270.0060.00615.79
7.1.260.0070.00715.85
7.1.250.0090.00615.95
7.1.240.0000.01215.72
7.1.230.0100.00615.86
7.1.220.0120.00616.05
7.1.210.0060.00615.86
7.1.200.0070.00815.58
7.1.190.0030.00715.90
7.1.180.0040.00715.68
7.1.170.0000.01415.97
7.1.160.0000.00816.11
7.1.150.0030.00616.03
7.1.140.0080.00016.06
7.1.130.0000.01315.92
7.1.120.0070.00715.81
7.1.110.0120.00315.79
7.1.100.0050.01017.13
7.1.90.0040.00715.84
7.1.80.0110.00416.08
7.1.70.0060.00616.63
7.1.60.0080.01217.72
7.1.50.0070.01516.47
7.1.40.0000.01915.93
7.1.30.0070.00715.80
7.1.20.0060.00615.68
7.1.10.0000.01315.79
7.1.00.0020.04419.07
7.0.330.0030.01015.46
7.0.320.0060.01215.68
7.0.310.0110.00415.77
7.0.300.0070.00715.68
7.0.290.0000.00915.53
7.0.280.0060.00615.69
7.0.270.0050.00315.37
7.0.260.0030.01015.50
7.0.250.0040.00815.43
7.0.240.0060.01015.73
7.0.230.0040.00715.85
7.0.220.0130.00315.58
7.0.210.0060.00615.40
7.0.200.0150.00515.11
7.0.190.0110.00715.36
7.0.180.0000.01515.64
7.0.170.0110.00715.51
7.0.160.0080.00415.44
7.0.150.0000.01315.59
7.0.140.0000.00815.61
7.0.130.0040.01015.65
7.0.120.0030.00615.72
7.0.110.0060.00315.37
7.0.100.0030.01015.37
7.0.90.0000.00815.67
7.0.80.0000.00815.35
7.0.70.0000.00815.79
7.0.60.0050.04217.82
7.0.50.0030.02916.70
7.0.40.0080.04116.79
7.0.30.0210.04316.95
7.0.20.0120.03417.07
7.0.10.0050.03916.89
7.0.00.0080.04116.85
5.6.400.0060.00314.58
5.6.390.0070.00314.59
5.6.380.0120.00614.15
5.6.370.0060.01014.57
5.6.360.0100.00314.18
5.6.350.0070.00714.48
5.6.340.0110.00414.39
5.6.330.0040.00414.33
5.6.320.0060.00614.45
5.6.310.0100.00314.21
5.6.300.0060.00614.29
5.6.290.0000.01114.24
5.6.280.0030.00614.70
5.6.270.0060.00614.44
5.6.260.0000.01514.31
5.6.250.0040.00714.57
5.6.240.0040.01114.54
5.6.230.0060.00614.18
5.6.220.0000.00814.35
5.6.210.0100.04017.53
5.6.200.0050.03716.27
5.6.190.0100.04417.55
5.6.180.0170.04217.32
5.6.170.0170.04417.35
5.6.160.0120.04017.50
5.6.150.0080.03216.26
5.6.140.0070.04216.25
5.6.130.0050.04516.13
5.6.120.0070.02517.71
5.6.110.0100.03817.65
5.6.100.0070.04717.65
5.6.90.0050.02317.71
5.6.80.0070.03717.26
5.6.70.0100.00714.30
5.6.60.0060.00914.06
5.6.50.0080.00814.37
5.6.40.0070.00714.21
5.6.30.0000.01114.37
5.6.20.0030.01014.25
5.6.10.0090.00314.16
5.6.00.0070.00714.38
5.5.380.0120.00014.30
5.5.370.0030.01014.32
5.5.360.0100.00314.52
5.5.350.0050.04317.31
5.5.340.0050.03816.08
5.5.330.0040.02717.13
5.5.320.1980.02317.05
5.5.310.0120.03217.28
5.5.300.0080.04316.23
5.5.290.0040.03915.85
5.5.280.0040.02917.42
5.5.270.0030.03117.36
5.5.260.0070.04217.54
5.5.250.0070.03417.38
5.5.240.0050.04317.17
5.5.230.0060.00914.08
5.5.220.0040.00814.17
5.5.210.0000.01114.30
5.5.200.0090.00314.05
5.5.190.0000.01714.38
5.5.180.0030.01014.00
5.5.170.0030.01014.26
5.5.160.0070.00314.02
5.5.150.0030.00614.03
5.5.140.0090.00314.36
5.5.130.0040.00714.32
5.5.120.0060.00614.03
5.5.110.0090.00314.02
5.5.100.0100.00314.05
5.5.90.0070.00714.07
5.5.80.0030.00914.07
5.5.70.0060.00614.18
5.5.60.0040.00714.12
5.5.50.0070.00314.24
5.5.40.0070.01014.23
5.5.30.0030.01014.34
5.5.20.0060.00914.10
5.5.10.0030.00614.05
5.5.00.0030.01013.89
5.4.450.0430.03115.23
5.4.440.0350.03315.35
5.4.430.0470.03715.23
5.4.420.0450.03015.16
5.4.410.0490.02815.09
5.4.400.0430.03115.08
5.4.390.0430.03015.04
5.4.380.0450.03015.00
5.4.370.0440.02915.03
5.4.360.0470.03714.96
5.4.350.0500.04115.01
5.4.340.0500.04015.04
5.4.330.0000.01010.93
5.4.320.0440.03415.01
5.4.310.0420.03315.09
5.4.300.0520.02315.05
5.4.290.0480.03914.75
5.4.280.0380.03214.74
5.4.270.0400.02714.93
5.4.260.0430.03014.99
5.4.250.0420.02514.77
5.4.240.0430.02514.94
5.4.230.0370.03015.04
5.4.220.0330.03614.99
5.4.210.0410.02614.98
5.4.200.0300.04214.88
5.4.190.0480.02714.87
5.4.180.0350.04315.07
5.4.170.0370.03714.98
5.4.160.0280.02514.99
5.4.150.0050.03615.09
5.4.140.0330.03613.54
5.4.130.0460.03113.55
5.4.120.0420.03613.54
5.4.110.0200.03813.75
5.4.100.0090.03613.70
5.4.90.0250.03813.76
5.4.80.0370.03313.60
5.4.70.0110.03813.67
5.4.60.0030.03813.61
5.4.50.0070.02613.62
5.4.40.0080.03513.68
5.4.30.0120.02713.43
5.4.20.0110.02113.59
5.4.10.0030.00711.05
5.4.00.0030.00310.72

preferences:
61.25 ms | 401 KiB | 5 Q