3v4l.org

run code in 300+ PHP versions simultaneously
<?php //echo preg_replace('/(?:(?!dog).)++/', '<$0>', 'where my dog is now?'); echo preg_replace('/(*SKIP)(?!ba)../', '<$0>', 'aabaabaaaaabbb');

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)
8.3.40.0140.00718.92
8.3.30.0100.00618.88
8.3.20.0040.00420.33
8.3.10.0040.00422.10
8.3.00.0070.00022.46
8.2.170.0200.00022.96
8.2.160.0120.00320.53
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0100.00326.16
8.2.120.0070.00319.77
8.2.110.0090.00019.48
8.1.270.0030.00620.48
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00019.26
7.4.10.0110.00715.03
7.4.00.0020.01414.96
7.3.130.0130.00715.18
7.3.120.0050.01215.12
7.3.110.0060.01314.81
7.3.100.0060.00614.59
7.3.90.0060.01014.83
7.3.80.0060.00915.13
7.3.70.0110.00314.80
7.3.60.0030.00714.95
7.3.50.0030.00614.99
7.3.40.0000.00914.89
7.3.30.0040.01114.95
7.3.20.0050.00316.79
7.3.10.0070.00716.94
7.3.00.0070.00316.71
7.2.260.0070.01315.00
7.2.250.0070.01314.80
7.2.240.0000.01315.18
7.2.230.0040.01115.15
7.2.220.0070.00315.23
7.2.210.0000.00915.02
7.2.200.0040.00814.65
7.2.190.0130.00315.01
7.2.180.0040.00815.05
7.2.170.0000.01414.98
7.2.160.0030.01015.09
7.2.150.0080.00416.75
7.2.140.0030.01017.14
7.2.130.0110.00317.04
7.2.120.0120.00317.05
7.2.110.0070.01116.79
7.2.100.0060.00316.81
7.2.90.0000.01616.78
7.2.80.0110.00017.05
7.2.70.0030.01216.80
7.2.60.0080.00816.61
7.2.50.0100.00317.06
7.2.40.0070.00716.99
7.2.30.0110.00016.83
7.2.20.0090.00916.94
7.2.10.0060.00916.66
7.2.00.0050.00818.11
7.1.330.0030.00915.86
7.1.320.0030.01415.91
7.1.310.0040.01116.01
7.1.300.0070.00715.69
7.1.290.0080.00015.70
7.1.280.0120.00315.70
7.1.270.0100.00715.74
7.1.260.0040.00415.99
7.1.250.0120.00015.67
7.1.240.0070.00715.63
7.1.230.0040.00715.93
7.1.220.0040.00815.82
7.1.210.0040.01115.72
7.1.200.0050.01115.93
7.1.190.0060.00615.62
7.1.180.0000.01215.96
7.1.170.0060.00915.76
7.1.160.0000.00915.64
7.1.150.0100.00315.80
7.1.140.0070.01015.85
7.1.130.0150.00015.76
7.1.120.0000.01315.68
7.1.110.0070.00715.86
7.1.100.0040.01016.92
7.1.90.0110.00015.53
7.1.80.0070.00315.90
7.1.70.0030.00916.44
7.1.60.0100.00817.80
7.1.50.0020.01416.46
7.1.40.0060.00315.89
7.1.30.0030.00715.82
7.1.20.0000.01415.83
7.1.10.0060.00615.84
7.1.00.0030.02219.12
7.0.330.0150.00015.38
7.0.320.0050.00315.64
7.0.310.0030.00615.31
7.0.300.0030.00915.42
7.0.290.0000.00915.63
7.0.280.0070.00715.32
7.0.270.0000.01215.66
7.0.260.0080.00815.31
7.0.250.0000.01215.56
7.0.240.0000.01315.65
7.0.230.0080.00315.52
7.0.220.0040.00715.62
7.0.210.0110.00315.51
7.0.200.0030.00916.12
7.0.190.0070.00715.63
7.0.180.0040.01115.54
7.0.170.0000.01015.63
7.0.160.0030.01015.59
7.0.150.0000.00915.57
7.0.140.0050.04018.71
7.0.130.0060.00915.57
7.0.120.0000.01215.52
7.0.110.0030.01015.49
7.0.100.0000.01315.34
7.0.90.0090.00315.58
7.0.80.0000.00915.42
7.0.70.0090.00015.14
7.0.60.0080.04217.71
7.0.50.0030.02516.61
7.0.40.0110.04016.80
7.0.30.0100.02616.88
7.0.20.0210.02216.91
7.0.10.0200.03816.86
7.0.00.0080.04316.74
5.6.400.0060.00314.43
5.6.390.0030.01514.57
5.6.380.0040.00714.17
5.6.370.0030.01014.25
5.6.360.0100.00314.12
5.6.350.0090.00314.36
5.6.340.0070.00714.32
5.6.330.0030.00714.15
5.6.320.0040.01114.08
5.6.310.0080.00014.20
5.6.300.0060.00313.99
5.6.290.0120.00414.34
5.6.280.0030.04017.56
5.6.270.0000.01314.17
5.6.260.0040.00414.29
5.6.250.0060.00314.18
5.6.240.0090.00314.06
5.6.230.0070.00414.34
5.6.220.0000.01213.89
5.6.210.0070.04517.46
5.6.200.0050.03816.15
5.6.190.0070.04317.47
5.6.180.2150.02517.51
5.6.170.0210.03117.42
5.6.160.0090.03117.44
5.6.150.0060.04516.33
5.6.140.0030.04316.25
5.6.130.0050.02916.28
5.6.120.0030.05217.65
5.6.110.0080.05017.85
5.6.100.0070.04517.61
5.6.90.0030.04317.68
5.6.80.0050.03917.33
5.6.70.0150.02317.17
5.6.60.0060.00914.20
5.6.50.0100.00714.31
5.6.40.0080.00814.01
5.6.30.0070.00314.16
5.6.20.0060.00314.30
5.6.10.0000.01114.07
5.6.00.0070.00714.05
5.5.380.0080.00614.12
5.5.370.0060.00613.82
5.5.360.0060.00314.36
5.5.350.0110.04017.15
5.5.340.0030.05016.15
5.5.330.0100.03517.30
5.5.320.0100.02317.33
5.5.310.0130.03017.12
5.5.300.0080.04216.11
5.5.290.0040.02716.09
5.5.280.0070.02617.53
5.5.270.0030.05017.45
5.5.260.0120.01817.46
5.5.250.0020.02717.38
5.5.240.0000.02717.11
5.5.230.0000.01014.09
5.5.220.0070.00714.28
5.5.210.0050.00514.18
5.5.200.0000.00813.99
5.5.190.0110.00414.13
5.5.180.0070.00714.20
5.5.170.0070.00714.35
5.5.160.0080.00814.16
5.5.150.0030.00614.15
5.5.140.0080.00313.97
5.5.130.0060.00614.00
5.5.120.0070.01113.89
5.5.110.0120.00414.06
5.5.100.0060.00614.12
5.5.90.0040.00813.96
5.5.80.0000.01014.27
5.5.70.0070.00713.96
5.5.60.0070.00714.04
5.5.50.0100.00313.93
5.5.40.0030.00614.11
5.5.30.0040.00713.95
5.5.20.0040.00714.18
5.5.10.0000.00913.71
5.5.00.0000.01214.09
5.4.450.0420.02815.90
5.4.440.0230.04115.92
5.4.430.0360.03015.92
5.4.420.0480.03615.88
5.4.410.0350.02915.79
5.4.400.0310.04015.55
5.4.390.0250.03915.55
5.4.380.0200.02615.44
5.4.370.0080.02815.55
5.4.360.0130.02915.50
5.4.350.0040.02412.18
5.4.340.0050.02212.18
5.4.330.0060.00612.38
5.4.320.0040.02912.42
5.4.310.0030.02512.42
5.4.300.0060.01812.42
5.4.290.0060.02112.41
5.4.280.0060.02612.37
5.4.270.0060.02412.36
5.4.260.0070.02012.36
5.4.250.0070.03015.63
5.4.240.0070.02715.56
5.4.230.0070.02815.54
5.4.220.0060.02915.70
5.4.210.0060.02715.52
5.4.200.0020.03115.64
5.4.190.0070.02715.63
5.4.180.0050.03615.54
5.4.170.0110.03415.63
5.4.160.0050.02915.62
5.4.150.0100.02515.51
5.4.140.0070.02714.44
5.4.130.0050.02714.31
5.4.120.0030.03014.31
5.4.110.0030.02814.29
5.4.100.0030.02814.32
5.4.90.0030.02914.34
5.4.80.0050.02614.37
5.4.70.0080.02714.36
5.4.60.0040.02814.32
5.4.50.0040.03014.29
5.4.40.0070.02814.39
5.4.30.0020.03114.40
5.4.20.0060.03314.38
5.4.10.0030.04014.39
5.4.00.0020.02814.03
5.3.290.0040.02512.59
5.3.280.0050.03013.48
5.3.270.0030.02813.50
5.3.260.0030.04513.49
5.3.250.0020.03113.44
5.3.240.0030.03613.43
5.3.230.0000.03413.53
5.3.220.0110.02413.47
5.3.210.0050.02913.47
5.3.200.0050.02813.49
5.3.190.0050.03213.40
5.3.180.0040.02813.49
5.3.170.0070.02713.52
5.3.160.0080.02613.40
5.3.150.0100.02913.46
5.3.140.0100.02313.35
5.3.130.0060.02913.41
5.3.120.0070.03213.54
5.3.110.0080.02613.47
5.3.100.0030.03213.21
5.3.90.0070.02613.20
5.3.80.0040.03413.08
5.3.70.0020.03513.12
5.3.60.0080.02813.11
5.3.50.0030.02713.05
5.3.40.0080.02613.10
5.3.30.0182.45113.03
5.3.20.0102.44612.90
5.3.10.0122.40612.91
5.3.00.0072.44512.91
5.2.170.0172.44710.91
5.2.160.0202.33010.92
5.2.150.0202.40310.86
5.2.140.0032.42310.86
5.2.130.0302.40710.91
5.2.120.0172.44010.91
5.2.110.0202.43010.95
5.2.100.0432.42710.91
5.2.90.0332.39710.86
5.2.80.0202.41010.69
5.2.70.0132.44310.89
5.2.60.0172.44310.81
5.2.50.0172.44710.77
5.2.40.0030.05710.99
5.2.30.0030.04010.96
5.2.20.0130.03710.84
5.2.10.0100.05310.79
5.2.00.0030.04010.59
5.1.60.0030.0379.91
5.1.50.0070.03310.01
5.1.40.0070.0409.88
5.1.30.0130.03310.39
5.1.20.0070.03310.23
5.1.10.0070.03310.02
5.1.00.0000.0409.97
5.0.50.0100.0208.68
5.0.40.0000.0308.49
5.0.30.0000.0478.18
5.0.20.0170.0138.19
5.0.10.0100.0208.40
5.0.00.0030.0408.06
4.4.90.0172.4108.59
4.4.80.0030.0205.87
4.4.70.0030.0235.87
4.4.60.0000.0235.87
4.4.50.0030.0235.87
4.4.40.0030.0335.87
4.4.30.0000.0275.87
4.4.20.0030.0205.87
4.4.10.0000.0235.89
4.4.00.0030.0335.93
4.3.110.0030.0205.79
4.3.100.0030.0205.79
4.3.90.0030.0235.79
4.3.80.0030.0305.79
4.3.70.0030.0205.79
4.3.60.0000.0335.79
4.3.50.0030.0235.79
4.3.40.0000.0475.79
4.3.30.0000.0335.79
4.3.20.0000.0235.79
4.3.10.0070.0175.79
4.3.00.0130.0206.75

preferences:
39.48 ms | 400 KiB | 5 Q