3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = str_repeat("{ \n}", 20); preg_replace('{((.*\n+)+)}','x',$str); var_dump($str);

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)
8.3.60.0110.00316.63
8.3.50.0180.00318.43
8.3.40.0070.00718.96
8.3.30.0120.00618.91
8.3.20.0040.00420.30
8.3.10.0030.00621.96
8.3.00.0040.00419.35
8.2.180.0150.00618.66
8.2.170.0140.00722.96
8.2.160.0160.00322.11
8.2.150.0050.00324.18
8.2.140.0090.00024.66
8.2.130.0030.00526.16
8.2.120.0110.00719.61
8.2.110.0110.00019.32
8.2.100.0090.00317.72
8.2.90.0080.00019.22
8.2.80.0080.00017.97
8.2.70.0000.00817.75
8.2.60.0050.00317.93
8.2.50.0030.00618.10
8.2.40.0000.00820.07
8.2.30.0040.00417.89
8.2.20.0070.00017.68
8.2.10.0050.00217.88
8.2.00.0050.00317.66
8.1.280.0120.00325.92
8.1.270.0080.00018.83
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0000.01023.88
8.1.230.0040.00717.82
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0050.00317.35
8.1.180.0000.00918.10
8.1.170.0090.00020.50
8.1.160.0040.00421.84
8.1.150.0000.00718.90
8.1.140.0000.00717.53
8.1.130.0030.00617.76
8.1.120.0000.00717.45
8.1.110.0040.00417.41
8.1.100.0030.00317.40
8.1.90.0040.00417.54
8.1.80.0000.00717.43
8.1.70.0040.00417.59
8.1.60.0060.00717.61
8.1.50.0040.00417.61
8.1.40.0040.00417.48
8.1.30.0000.00817.78
8.1.20.0000.00717.71
8.1.10.0050.00317.43
8.1.00.0000.01117.59
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.39
8.0.270.0030.00317.21
8.0.260.0040.00417.15
8.0.250.0050.00216.90
8.0.240.0000.00716.99
8.0.230.0000.00716.93
8.0.220.0030.00316.97
8.0.210.0000.00717.00
8.0.200.0030.00316.89
8.0.190.0080.00016.98
8.0.180.0000.00716.87
8.0.170.0080.00017.00
8.0.160.0030.00316.99
8.0.150.0080.00016.79
8.0.140.0040.00416.91
8.0.130.0000.00613.35
8.0.120.0000.00816.80
8.0.110.0080.00016.98
8.0.100.0030.00516.87
8.0.90.0040.00416.77
8.0.80.0030.01316.84
8.0.70.0030.00516.85
8.0.60.0080.00017.00
8.0.50.0000.00717.00
8.0.30.0100.01317.07
8.0.20.0140.00817.40
8.0.10.0000.00717.05
8.0.00.0120.00716.81
7.4.330.0080.00015.03
7.4.320.0030.00316.76
7.4.300.0030.00316.65
7.4.290.0000.00716.77
7.4.280.0050.00316.69
7.4.270.0030.00316.63
7.4.260.0080.00016.57
7.4.250.0040.00416.50
7.4.240.0060.00216.67
7.4.230.0000.00716.66
7.4.220.0150.00316.83
7.4.210.0040.01416.74
7.4.200.0000.00716.57
7.4.160.0120.00416.54
7.4.150.0070.01017.40
7.4.140.0120.00817.86
7.4.130.0120.00516.57
7.4.120.0120.00516.63
7.4.110.0100.00716.68
7.4.100.0160.00016.45
7.4.90.0090.00916.61
7.4.80.0110.01119.39
7.4.70.0100.01016.63
7.4.60.0130.00316.45
7.4.50.0030.00516.23
7.4.40.0140.01116.63
7.4.30.0040.01316.59
7.4.10.0090.00616.38
7.4.00.0080.00815.67
7.3.330.0040.00413.10
7.3.320.0070.00713.06
7.3.310.0000.00716.31
7.3.300.0030.00316.23
7.3.290.0070.00816.33
7.3.280.0080.01016.29
7.3.270.0090.00917.40
7.3.260.0060.01216.31
7.3.250.0120.00916.36
7.3.240.0090.00916.58
7.3.230.0110.00716.39
7.3.210.0090.00916.48
7.3.200.0160.00619.39
7.3.190.0120.00316.15
7.3.180.0060.00916.20
7.3.170.0100.01116.27
7.3.160.0090.00816.40
7.3.130.0100.00716.48
7.3.120.0070.01016.51
7.3.110.0060.00616.31
7.3.100.0030.01216.52
7.3.90.0100.01016.53
7.3.80.0090.00616.29
7.3.70.0080.00816.44
7.3.60.0140.00016.30
7.3.50.0060.00316.39
7.3.40.0040.01116.29
7.3.30.0060.00316.30
7.3.20.0030.00918.07
7.3.10.0080.00817.31
7.3.00.0030.01017.51
7.2.330.0070.01016.53
7.2.320.0060.00916.78
7.2.310.0090.00916.58
7.2.300.0080.00816.55
7.2.290.0100.00716.65
7.2.260.0130.00316.58
7.2.250.0080.01216.64
7.2.240.0030.01216.57
7.2.230.0060.00616.59
7.2.220.0150.00616.44
7.2.210.0080.00516.61
7.2.200.0060.00616.44
7.2.190.0090.00616.37
7.2.180.0000.01316.62
7.2.170.0110.00316.50
7.2.160.0030.00916.54
7.2.150.0030.01018.58
7.2.140.0000.01218.58
7.2.130.0060.00617.68
7.2.120.0030.01317.63
7.2.110.0060.00817.59
7.2.100.0100.00317.64
7.2.90.0090.00517.56
7.2.80.0120.00517.77
7.2.70.0040.01317.77
7.2.60.0060.00817.38
7.2.50.0040.00717.60
7.2.40.0100.00617.50
7.2.30.0020.01017.85
7.2.20.0040.00917.63
7.2.10.0080.00617.73
7.2.00.0010.01018.25
7.1.330.0100.00317.41
7.1.320.0030.01017.50
7.1.310.0060.00817.39
7.1.300.0000.01417.41
7.1.290.0110.00417.48
7.1.280.0030.01017.47
7.1.270.0040.00817.44
7.1.260.0030.00617.43
7.1.250.0000.00916.64
7.1.240.0150.00016.59
7.1.230.0040.01216.64
7.1.220.0030.00816.56
7.1.210.0030.01016.44
7.1.200.0040.00916.39
7.1.190.0090.00516.63
7.1.180.0080.00616.61
7.1.170.0070.00816.66
7.1.160.0040.00816.59
7.1.150.0030.00916.69
7.1.140.0060.00616.74
7.1.130.0040.00916.58
7.1.120.0070.00816.58
7.1.110.0060.00516.62
7.1.100.0060.00717.17
7.1.90.0050.00716.57
7.1.80.0070.00716.72
7.1.70.0060.00816.83
7.1.60.0050.01117.60
7.1.50.0070.00416.75
7.1.40.0070.00316.63
7.1.30.0050.00716.64
7.1.20.0080.00616.58
7.1.10.0060.00516.63
7.1.00.0030.03018.55
7.0.330.0080.00316.36
7.0.320.0080.00616.09
7.0.310.0050.00816.21
7.0.300.0060.00916.25
7.0.290.0050.00916.30
7.0.280.0080.00516.28
7.0.270.0000.01316.18
7.0.260.0080.00616.20
7.0.250.0070.00616.31
7.0.240.0020.01016.29
7.0.230.0070.00816.15
7.0.220.0060.00916.33
7.0.210.0030.00816.32
7.0.200.0120.00515.81
7.0.190.0070.00716.14
7.0.180.0050.01016.23
7.0.170.0090.00416.13
7.0.160.0070.00716.21
7.0.150.0090.00316.39
7.0.140.0050.02718.19
7.0.130.0100.00316.30
7.0.120.0060.00316.15
7.0.110.0070.01717.43
7.0.100.0050.02717.49
7.0.90.0110.02417.50
7.0.80.0140.02617.49
7.0.70.0140.02417.34
7.0.60.0090.02017.36
7.0.50.0090.02917.53
7.0.40.0050.03416.15
7.0.30.0030.02515.99
7.0.20.0030.02116.16
7.0.10.0060.01816.05
7.0.00.0100.02416.12
5.6.400.0100.00315.87
5.6.390.0060.00615.96
5.6.380.0050.00915.00
5.6.370.0070.00915.00
5.6.360.0060.00714.96
5.6.350.0080.00715.16
5.6.340.0000.01414.90
5.6.330.0050.01214.99
5.6.320.0020.01214.97
5.6.310.0000.01414.90
5.6.300.0060.00815.04
5.6.290.0050.00915.19
5.6.280.0020.03116.98
5.6.270.0030.01215.04
5.6.260.0050.03116.88
5.6.250.0100.02516.76
5.6.240.0060.02916.79
5.6.230.0030.03416.96
5.6.220.0100.02016.93
5.6.210.0070.01816.76
5.6.200.0060.03416.78
5.6.190.0100.02316.92
5.6.180.0060.02416.91
5.6.170.0070.02216.97
5.6.160.0090.02016.97
5.6.150.0100.02116.90
5.6.140.0070.01816.95
5.6.130.0050.02316.80
5.6.120.0060.03216.91
5.6.110.0130.01216.93
5.6.100.0060.01916.89
5.6.90.0080.01716.90
5.6.80.0050.02116.52
5.6.70.0080.02116.60
5.6.60.0070.02916.64
5.6.50.0060.03216.56
5.6.40.0070.02916.59
5.6.30.0030.02216.63
5.6.20.0070.03116.51
5.6.10.0070.02816.48
5.6.00.0060.03016.55
5.5.380.0020.02114.78
5.5.370.0040.02214.85
5.5.360.0060.02914.67
5.5.350.0040.01714.73
5.5.340.0060.02415.03
5.5.330.0050.03014.92
5.5.320.0040.01914.86
5.5.310.0020.03015.09
5.5.300.0090.03014.99
5.5.290.0090.02914.93
5.5.280.0050.02114.93
5.5.270.0090.02614.75
5.5.260.0020.02614.82
5.5.250.0040.01714.74
5.5.240.0050.01614.77
5.5.230.0060.02914.53
5.5.220.0070.01714.71
5.5.210.0050.02914.74
5.5.200.0070.03114.68
5.5.190.0070.03214.67
5.5.180.0070.01914.52
5.5.170.0060.00913.26
5.5.160.0050.03014.63
5.5.150.0060.02114.78
5.5.140.0050.01714.67
5.5.130.0060.02614.48
5.5.120.0080.02914.53
5.5.110.0040.02614.53
5.5.100.0100.02714.62
5.5.90.0050.01714.72
5.5.80.0070.02614.72
5.5.70.0060.02614.66
5.5.60.0070.01714.60
5.5.50.0070.01714.49
5.5.40.0050.02514.58
5.5.30.0080.02614.69
5.5.20.0060.02214.53
5.5.10.0010.02014.39
5.5.00.0120.01514.48
5.4.450.0090.03114.42
5.4.440.0060.02214.35
5.4.430.0040.02714.26
5.4.420.0070.02814.22
5.4.410.0040.01914.23
5.4.400.0050.01614.14
5.4.390.0080.02814.21
5.4.380.0050.02814.16
5.4.370.0060.02614.01
5.4.360.0050.02414.00
5.4.350.0040.01814.01
5.4.340.0040.02114.07
5.4.330.0030.00711.68
5.4.320.0060.03114.11
5.4.310.0030.01914.09
5.4.300.0070.01714.01
5.4.290.0070.01813.95
5.4.280.0060.01814.00
5.4.270.0050.02614.08
5.4.260.0040.02414.05
5.4.250.0040.02014.00
5.4.240.0040.02814.08
5.4.230.0060.01914.09
5.4.220.0060.02914.17
5.4.210.0050.02314.09
5.4.200.0070.02914.11
5.4.190.0030.03014.14
5.4.180.0060.01714.13
5.4.170.0080.02214.01
5.4.160.0050.02714.11
5.4.150.0050.02414.12
5.4.140.0060.02913.27
5.4.130.0060.01413.21
5.4.120.0050.01913.26
5.4.110.0100.02413.29
5.4.100.0080.01713.22
5.4.90.0060.02813.20
5.4.80.0060.02513.30
5.4.70.0030.03213.20
5.4.60.0060.02813.35
5.4.50.0030.02713.27
5.4.40.0060.02313.08
5.4.30.0070.02813.26
5.4.20.0110.02213.15
5.4.10.0060.02113.22
5.4.00.0070.02713.00
5.3.290.0060.03112.52
5.3.280.0020.04412.43
5.3.270.0060.02312.40
5.3.260.0000.02412.41
5.3.250.0070.02212.44
5.3.240.0000.03012.26
5.3.230.0100.02012.54
5.3.220.0050.05112.42
5.3.210.0050.02612.47
5.3.200.0060.03712.51
5.3.190.0050.02812.60
5.3.180.0100.03212.59
5.3.170.0050.04312.47
5.3.160.0080.03012.57
5.3.150.0070.02512.40
5.3.140.0040.03712.48
5.3.130.0050.02712.44
5.3.120.0070.04012.51
5.3.110.0060.03912.41
5.3.100.0050.03812.09
5.3.90.0070.02012.25
5.3.80.0060.03912.10
5.3.70.0080.04312.14
5.3.60.0030.02212.20
5.3.50.0050.03411.99
5.3.40.0030.02912.05
5.3.30.0080.02712.11
5.3.20.0060.03511.93
5.3.10.0050.03511.83
5.3.00.0070.03011.83
5.2.170.0030.02010.68
5.2.160.0080.02310.63
5.2.150.0070.03310.51
5.2.140.0040.03410.61
5.2.130.0030.03910.59
5.2.120.0000.02710.63
5.2.110.0030.02810.47
5.2.100.0030.02010.64
5.2.90.0050.01710.60
5.2.80.0030.02210.54
5.2.70.0050.02210.49
5.2.60.0030.02510.54
5.2.50.0000.02510.49
5.2.40.0020.03210.44
5.2.30.0030.03210.55
5.2.20.0070.03210.51
5.2.10.0000.02410.38
5.2.00.0050.01510.36
5.1.60.0050.02410.09
5.1.50.0000.02210.06
5.1.40.0020.03010.08
5.1.30.0020.02010.19
5.1.20.0020.02610.20
5.1.10.0020.02810.17
5.1.00.0000.03110.07
5.0.50.0000.01810.06
5.0.40.0000.01410.06
5.0.30.0040.03310.06
5.0.20.0020.01710.06
5.0.10.0050.00810.06
5.0.00.0040.01510.06
4.4.90.0020.01710.06
4.4.80.0050.01210.06
4.4.70.0050.01310.06
4.4.60.0010.01110.06
4.4.50.0020.01010.06
4.4.40.0030.02810.06
4.4.30.0000.01310.06
4.4.20.0020.01210.06
4.4.10.0050.01210.06
4.4.00.0020.01310.06
4.3.110.0020.02210.06
4.3.100.0050.01510.06
4.3.90.0040.00710.06
4.3.80.0010.01310.06
4.3.70.0030.00810.06
4.3.60.0040.00910.06
4.3.50.0030.00610.06
4.3.40.0000.01310.06
4.3.30.0030.00810.06
4.3.20.0030.00810.06
4.3.10.0000.01010.06
4.3.00.0000.01010.06

preferences:
51.9 ms | 400 KiB | 5 Q