3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array ( 0 => array ( 'one' => 'A {bad} thing.', 'two' => 'So far so {bad}.', ), 1 => array ( 'one' => 'A {bad} thing, bis.', 'two' => 'So far so {bad}, bis.', ), ); $b = preg_replace('/\{bad\}/', 'good', $a); echo '$b = '; var_export($b); echo ';', "\n";

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)
8.3.40.0140.00720.14
8.3.30.0110.00418.97
8.3.20.0040.00420.75
8.3.10.0040.00422.00
8.3.00.0000.00822.58
8.2.170.0070.01122.96
8.2.160.0130.00721.33
8.2.150.0050.00324.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00819.77
8.2.110.0000.01019.24
8.2.100.0080.00817.76
8.2.90.0050.00518.06
8.2.80.0080.00017.97
8.2.70.0000.00817.93
8.2.60.0060.00318.22
8.2.50.0000.00818.10
8.2.40.0040.00419.53
8.2.30.0040.00419.19
8.2.20.0030.00518.00
8.2.10.0000.00719.20
8.2.00.0000.00719.26
8.1.270.0050.00323.99
8.1.260.0080.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00721.24
8.1.230.0040.00822.11
8.1.220.0040.00417.79
8.1.210.0000.00918.77
8.1.200.0030.00717.47
8.1.190.0040.00417.38
8.1.180.0040.00419.03
8.1.170.0000.00918.64
8.1.160.0000.00818.98
8.1.150.0070.00018.83
8.1.140.0000.00718.90
8.1.130.0000.01017.46
8.1.120.0050.00217.60
8.1.110.0030.00617.52
8.1.100.0040.00417.55
8.1.90.0070.00017.42
8.1.80.0040.00417.43
8.1.70.0030.00317.55
8.1.60.0000.00917.67
8.1.50.0000.00917.64
8.1.40.0040.00417.59
8.1.30.0040.00417.65
8.1.20.0060.00317.68
8.1.10.0000.00817.62
8.1.00.0040.00417.61
8.0.300.0000.00720.04
8.0.290.0060.00617.00
8.0.280.0070.00018.40
8.0.270.0070.00017.07
8.0.260.0000.00717.07
8.0.250.0040.00417.09
8.0.240.0050.00317.08
8.0.230.0070.00017.08
8.0.220.0000.00716.92
8.0.210.0000.00717.01
8.0.200.0060.00017.01
8.0.190.0080.00017.11
8.0.180.0030.00616.95
8.0.170.0000.00917.07
8.0.160.0080.00017.07
8.0.150.0000.00716.95
8.0.140.0000.00816.88
8.0.130.0060.00013.52
8.0.120.0040.00417.02
8.0.110.0030.00317.14
8.0.100.0040.00416.93
8.0.90.0080.00317.06
8.0.80.0100.00517.01
8.0.70.0000.00717.07
8.0.60.0070.00017.03
8.0.50.0080.00017.09
8.0.30.0090.00917.33
8.0.20.0120.00617.20
8.0.10.0000.00717.09
8.0.00.0140.01016.76
7.4.330.0000.00515.55
7.4.320.0060.00016.54
7.4.300.0060.00016.73
7.4.290.0000.00816.70
7.4.280.0000.00816.63
7.4.270.0050.00216.57
7.4.260.0030.00313.45
7.4.250.0000.00716.75
7.4.240.0030.00516.67
7.4.230.0070.00016.75
7.4.220.0010.00616.72
7.4.210.0090.00916.64
7.4.200.0040.00416.55
7.4.130.0170.00516.71
7.4.120.0180.00616.83
7.4.110.0040.01316.63
7.4.100.0100.00916.80
7.4.90.0130.00316.62
7.4.80.0100.01419.39
7.4.70.0080.00816.57
7.4.60.0060.01216.67
7.4.50.0090.00516.71
7.4.40.0130.00316.64
7.4.30.0070.01116.53
7.4.20.0100.00716.46
7.4.10.0070.01316.36
7.4.00.0090.00616.36
7.3.330.0000.00716.30
7.3.320.0030.00313.22
7.3.310.0040.00416.35
7.3.300.0000.00716.37
7.3.290.0060.01016.31
7.3.280.0100.01016.32
7.3.260.0090.00916.57
7.3.240.0100.00916.53
7.3.230.0110.00716.55
7.3.210.0110.00616.23
7.3.200.0030.01316.34
7.3.190.0080.00816.75
7.3.180.0110.01116.57
7.3.170.0070.01016.50
7.3.160.0160.00616.49
7.3.150.0060.01516.28
7.3.140.0100.01016.43
7.3.130.0070.01316.33
7.3.120.0090.00616.50
7.3.110.0100.01016.49
7.3.100.0100.01016.28
7.3.90.0040.01116.47
7.3.80.0080.00716.33
7.3.70.0080.00716.35
7.3.60.0000.01516.48
7.3.50.0150.00616.37
7.3.40.0120.00316.34
7.3.30.0090.01216.43
7.3.20.0170.00416.53
7.3.10.0140.00416.28
7.3.00.0040.01316.20
7.2.330.0120.00916.71
7.2.320.0000.01716.72
7.2.310.0130.00316.65
7.2.300.0070.01116.79
7.2.290.0060.01616.53
7.2.280.0060.01016.55
7.2.270.0110.00516.43
7.2.260.0160.00016.59
7.2.250.0100.00716.64
7.2.240.0040.01316.56
7.2.230.0070.01116.50
7.2.220.0100.01016.53
7.2.210.0080.00816.66
7.2.200.0080.00816.67
7.2.190.0160.00016.55
7.2.180.0030.01216.57
7.2.170.0130.00716.55
7.2.160.0060.01716.72
7.2.150.0090.00916.57
7.2.140.0100.00716.62
7.2.130.0140.00716.65
7.2.120.0000.01916.61
7.2.110.0060.01016.64
7.2.100.0120.00916.67
7.2.90.0070.01016.65
7.2.80.0160.00616.61
7.2.70.0070.01716.87
7.2.60.0060.01216.70
7.2.50.0140.00516.65
7.2.40.0090.01316.63
7.2.30.0120.00616.69
7.2.20.0110.00716.68
7.2.10.0120.00616.62
7.2.00.0070.01016.59
7.1.330.0060.01215.61
7.1.320.0120.00615.64
7.1.310.0110.00715.52
7.1.300.0070.01115.52
7.1.290.0040.01215.34
7.1.280.0140.00715.53
7.1.270.0120.01215.67
7.1.260.0120.00815.35
7.1.250.0180.00015.19
7.1.240.0130.00415.29
7.1.230.0120.00515.26
7.1.220.0110.00715.50
7.1.210.0140.00515.49
7.1.200.0130.00615.52
7.1.190.0050.01415.40
7.1.180.0030.01615.49
7.1.170.0150.00515.47
7.1.160.0090.00915.55
7.1.150.0190.00015.35
7.1.140.0120.00615.35
7.1.130.0140.00215.48
7.1.120.0120.00515.37
7.1.110.0060.01415.36
7.1.100.0080.00815.46
7.1.90.0120.00915.26
7.1.80.0110.00715.40
7.1.70.0110.01215.56
7.1.60.0030.01915.39
7.1.50.0140.01015.32
7.1.40.0130.01015.59
7.1.30.0100.00715.18
7.1.20.0120.00915.21
7.1.10.0130.00615.16
7.1.00.0370.00715.51
7.0.330.0110.00715.21
7.0.320.0100.00714.92
7.0.310.0140.01015.04
7.0.300.0100.01015.18
7.0.290.0110.01114.96
7.0.280.0100.00614.96
7.0.270.0070.00915.28
7.0.260.0080.00815.16
7.0.250.0130.00915.18
7.0.240.0080.00815.11
7.0.230.0030.01714.88
7.0.220.0060.01215.08
7.0.210.0140.00715.09
7.0.200.0040.01715.16
7.0.190.0090.01215.25
7.0.180.0170.00515.12
7.0.170.0000.01515.16
7.0.160.0040.01815.01
7.0.150.0070.01115.10
7.0.140.0100.01015.03
7.0.130.0170.01415.30
7.0.120.0060.00915.18
7.0.110.0060.00915.13
7.0.100.0000.01415.21
7.0.90.0070.00715.14
7.0.80.0140.00015.29
7.0.70.0080.00615.27
7.0.60.0070.01415.29
7.0.50.0150.00615.35
7.0.40.0130.00615.26
7.0.30.0170.00015.28
7.0.20.0090.01015.04
7.0.10.0000.01315.19
7.0.00.0080.00515.20
5.6.400.0100.00615.68
5.6.390.0110.01115.68
5.6.380.0040.01615.58
5.6.370.0130.01415.65
5.6.360.0050.01315.42
5.6.350.0140.00715.88
5.6.340.0170.00315.90
5.6.330.0030.01515.73
5.6.320.0200.00315.63
5.6.310.0120.00615.95
5.6.300.0130.01015.59
5.6.290.0060.01215.67
5.6.280.0030.01415.92
5.6.270.0070.01016.02
5.6.260.0030.02015.93
5.6.250.0070.01015.68
5.6.240.0100.00616.02
5.6.230.0000.02115.72
5.6.220.0070.01015.63
5.6.210.0180.00615.89
5.6.200.0070.01315.87
5.6.190.0090.01215.88
5.6.180.0100.01315.78
5.6.170.0070.01115.89
5.6.160.0060.01615.65
5.6.150.0000.02215.95
5.6.140.0130.00315.84
5.6.130.0150.00315.88
5.6.120.0150.00915.95
5.6.110.0110.01415.85
5.6.100.0090.00915.96
5.6.90.0100.00715.93
5.6.80.0120.00915.66
5.6.70.0070.01115.62
5.6.60.0030.01415.72
5.6.50.0090.01015.68
5.6.40.0090.00915.59
5.6.30.0140.01315.75
5.6.20.0100.00915.56
5.6.10.0160.00615.54
5.6.00.0130.00515.60
5.5.380.0180.00715.73
5.5.370.0110.01115.72
5.5.360.0230.00415.77
5.5.350.0210.00715.85
5.5.340.0100.01415.88
5.5.330.0170.00615.77
5.5.320.0150.01515.77
5.5.310.0070.01615.58
5.5.300.0180.00415.99
5.5.290.0210.00715.71
5.5.280.0110.01915.72
5.5.270.0170.01415.82
5.5.260.0230.00015.71
5.5.250.0140.01015.92
5.5.240.0200.00815.84
5.5.230.0060.01815.75
5.5.220.0090.01415.54
5.5.210.0110.01615.66
5.5.200.0130.01015.82
5.5.190.0250.00015.74
5.5.180.0160.00615.67
5.5.170.0140.01015.61
5.5.160.0160.00615.94
5.5.150.0240.00315.80
5.5.140.0110.01515.85
5.5.130.0070.01515.66
5.5.120.0110.01715.61
5.5.110.0230.00515.83
5.5.100.0150.01015.72
5.5.90.0150.00815.65
5.5.80.0120.01515.78
5.5.70.0070.01415.72
5.5.60.0080.01715.67
5.5.50.0110.01115.64
5.5.40.0140.01015.68
5.5.30.0110.01415.59
5.5.20.0120.01615.67
5.5.10.0150.01615.67
5.5.00.0090.01615.65
5.4.450.0190.00612.66
5.4.440.0100.01212.84
5.4.430.0050.01112.54
5.4.420.0150.00312.58
5.4.410.0110.00712.85
5.4.400.0110.00812.42
5.4.390.0140.00712.54
5.4.380.0060.01312.43
5.4.370.0180.00412.37
5.4.360.0070.01312.46
5.4.350.0100.01012.54
5.4.340.0130.00612.40
5.4.330.0120.00612.55
5.4.320.0000.01612.55
5.4.310.0100.00612.46
5.4.300.0080.00812.42
5.4.290.0040.01212.54
5.4.280.0130.00312.45
5.4.270.0150.00812.44
5.4.260.0160.00312.53
5.4.250.0100.01012.56
5.4.240.0040.01212.41
5.4.230.0130.00312.48
5.4.220.0070.01112.41
5.4.210.0080.01212.63
5.4.200.0100.01012.40
5.4.190.0120.00912.30
5.4.180.0130.00712.57
5.4.170.0160.00512.45
5.4.160.0170.00612.50
5.4.150.0180.00612.42
5.4.140.0140.00812.52
5.4.130.0150.00812.73
5.4.120.0090.00512.53
5.4.110.0070.01112.55
5.4.100.0140.01012.49
5.4.90.0130.00912.50
5.4.80.0130.01012.57
5.4.70.0090.00912.58
5.4.60.0160.00612.59
5.4.50.0070.01412.59
5.4.40.0100.01012.46
5.4.30.0160.00712.57
5.4.20.0060.01212.42
5.4.10.0090.00912.56
5.4.00.0170.00712.61
5.3.290.0190.00213.09
5.3.280.0000.01613.12
5.3.270.0110.01112.99
5.3.260.0220.00713.01
5.3.250.0160.00813.13
5.3.240.0180.01212.96
5.3.230.0120.01513.00
5.3.220.0220.00312.89
5.3.210.0170.00813.17
5.3.200.0070.01512.97
5.3.190.0150.00812.90
5.3.180.0180.00613.14
5.3.170.0130.00713.08
5.3.160.0130.01013.06
5.3.150.0190.00613.07
5.3.140.0070.01713.09
5.3.130.0080.01213.06
5.3.120.0160.00812.99
5.3.110.0130.00813.06
5.3.100.0150.00913.08
5.3.90.0120.01012.96
5.3.80.0130.01012.74
5.3.70.0080.01112.84
5.3.60.0110.01112.99
5.3.50.0140.00812.86
5.3.40.0110.00812.85
5.3.30.0130.01212.85
5.3.20.0150.00912.89
5.3.10.0120.01212.70
5.3.00.0080.01612.71
5.2.170.0080.00811.98
5.2.160.0070.00911.96
5.2.150.0130.00612.02
5.2.140.0070.01012.12
5.2.130.0140.00311.88
5.2.120.0100.01011.94
5.2.110.0080.00811.91
5.2.100.0190.00311.96
5.2.90.0150.00911.91
5.2.80.0100.01011.83
5.2.70.0110.00711.88
5.2.60.0100.01011.74
5.2.50.0050.01411.75
5.2.40.0110.01111.85
5.2.30.0120.00611.87
5.2.20.0070.01311.66
5.2.10.0160.00511.62
5.2.00.0120.00811.67
5.1.60.0160.00311.37
5.1.50.0120.00811.37
5.1.40.0140.00411.37
5.1.30.0080.01411.37
5.1.20.0100.01111.37
5.1.10.0160.00311.37
5.1.00.0120.00411.37
5.0.50.0070.00711.37
5.0.40.0070.00611.37
5.0.30.0070.00811.37
5.0.20.0000.01511.37
5.0.10.0120.00311.37
5.0.00.0050.00811.37
4.4.90.0050.00511.37
4.4.80.0080.00211.37
4.4.70.0070.00311.37
4.4.60.0030.00511.37
4.4.50.0030.00711.37
4.4.40.0070.00311.37
4.4.30.0000.01011.37
4.4.20.0050.00511.37
4.4.10.0050.00511.37
4.4.00.0030.00611.37
4.3.110.0100.00011.37
4.3.100.0020.00511.37
4.3.90.0000.00711.37
4.3.80.0050.00611.37
4.3.70.0070.00211.37
4.3.60.0050.00511.37
4.3.50.0080.00011.37
4.3.40.0080.00311.37
4.3.30.0070.00011.37
4.3.20.0030.00511.37
4.3.10.0000.00711.37
4.3.00.0000.00611.37

preferences:
67.12 ms | 400 KiB | 5 Q