3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ok { public function t() { $this->replacer( '*' ); return preg_replace_callback( '/(t)/', array( $this, 'replacer'), 'this is a simple test' ); } private function replacer( $input ) { static $cache = '-'; if ( ! is_array( $input ) ) { $cache = $input; } else { return $cache . $input[1] . $cache; } } } class buggyphp extends ok {} class buggyphptoo extends ok { public function t() { return parent::t(); } } $buggy = new buggyphp(); echo 'Result buggyphp: ' . $buggy->t(); echo "\n"; $buggy = new buggyphptoo(); echo 'Result buggyphptoo: ' . $buggy->t(); echo "\n"; $a = new ok(); echo 'Result ok: ' . $a->t(); exit();

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)
8.3.60.0110.00616.63
8.3.50.0090.00922.10
8.3.40.0120.00319.00
8.3.30.0040.01119.12
8.3.20.0070.00020.23
8.3.10.0040.00423.51
8.3.00.0060.00319.21
8.2.180.0120.00316.88
8.2.170.0150.00322.96
8.2.160.0100.00320.53
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00826.16
8.2.120.0040.00422.24
8.2.110.0000.00822.26
8.2.100.0080.00418.03
8.2.90.0000.00819.21
8.2.80.0040.00417.97
8.2.70.0040.00817.88
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0050.00318.16
8.2.30.0070.00018.23
8.2.20.0000.00918.02
8.2.10.0040.00418.01
8.2.00.0050.00317.95
8.1.280.0130.00625.92
8.1.270.0050.00323.92
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00323.91
8.1.230.0120.00319.14
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0060.00317.61
8.1.190.0050.00317.51
8.1.180.0040.00418.10
8.1.170.0060.00318.78
8.1.160.0000.00721.95
8.1.150.0040.00418.78
8.1.140.0040.00417.66
8.1.130.0040.00417.87
8.1.120.0040.00417.61
8.1.110.0030.00517.67
8.1.100.0040.00417.62
8.1.90.0040.00417.56
8.1.80.0050.00217.59
8.1.70.0000.00917.55
8.1.60.0030.00617.76
8.1.50.0040.00417.70
8.1.40.0000.00817.64
8.1.30.0070.00017.63
8.1.20.0000.00817.82
8.1.10.0000.00717.72
8.1.00.0030.00717.60
8.0.300.0000.00718.77
8.0.290.0000.00917.18
8.0.280.0000.00718.48
8.0.270.0000.00717.17
8.0.260.0030.00316.95
8.0.250.0030.00317.05
8.0.240.0070.00017.12
8.0.230.0000.00917.18
8.0.220.0000.00717.02
8.0.210.0030.00317.02
8.0.200.0000.00717.21
8.0.190.0000.00717.16
8.0.180.0000.00817.14
8.0.170.0050.00317.16
8.0.160.0050.00217.17
8.0.150.0040.00417.05
8.0.140.0040.00417.09
8.0.130.0060.00013.60
8.0.120.0040.00417.15
8.0.110.0050.00317.00
8.0.100.0040.00416.98
8.0.90.0030.00517.09
8.0.80.0100.01317.18
8.0.70.0000.00817.14
8.0.60.0040.00417.14
8.0.50.0020.00517.18
8.0.30.0080.01117.34
8.0.20.0070.01317.40
8.0.10.0040.00417.25
8.0.00.0090.01017.02
7.4.330.0050.00015.00
7.4.320.0030.00316.73
7.4.300.0060.00016.73
7.4.290.0000.00716.73
7.4.280.0030.00316.77
7.4.270.0030.00316.82
7.4.260.0030.00616.80
7.4.250.0040.00416.70
7.4.240.0040.00316.78
7.4.230.0030.00316.71
7.4.220.0120.01216.74
7.4.210.0110.00816.76
7.4.200.0040.00416.71
7.4.190.0030.00516.98
7.4.160.0100.00616.82
7.4.150.0080.01117.40
7.4.140.0110.00617.86
7.4.130.0100.00916.78
7.4.120.0060.01416.78
7.4.110.0030.01616.53
7.4.100.0140.00316.92
7.4.90.0120.00416.79
7.4.80.0030.01619.39
7.4.70.0120.00416.75
7.4.60.0070.01016.70
7.4.50.0050.00016.78
7.4.40.0000.01522.77
7.4.30.0060.01116.81
7.4.00.0100.00715.19
7.3.330.0030.00313.36
7.3.320.0000.00513.55
7.3.310.0070.00016.40
7.3.300.0030.00316.53
7.3.290.0110.00916.53
7.3.280.0050.01016.57
7.3.270.0130.00417.40
7.3.260.0070.01016.54
7.3.250.0100.01016.66
7.3.240.0100.00716.79
7.3.230.0090.00916.48
7.3.210.0000.01716.73
7.3.200.0100.00719.39
7.3.190.0110.00516.55
7.3.180.0080.00816.64
7.3.170.0070.01016.71
7.3.160.0060.01316.81
7.3.120.0060.01215.14
7.2.330.0150.00316.94
7.2.320.0130.00916.95
7.2.310.0060.01217.01
7.2.300.0060.01116.95
7.2.290.0090.00616.84
7.1.70.0000.00717.50
7.1.60.0090.01219.29
7.1.50.0160.00917.34
7.1.00.0070.07322.32
7.0.200.0040.00416.75
7.0.140.0030.07322.07
7.0.100.0000.04021.86
7.0.90.0000.04321.71
7.0.80.0000.06021.72
7.0.70.0000.04321.71
7.0.60.0000.06021.79
7.0.50.0000.04722.19
7.0.40.0030.04020.05
7.0.30.0030.04020.05
7.0.20.0000.07720.13
7.0.10.0070.06720.00
7.0.00.0000.08020.18
5.6.280.0030.07321.02
5.6.250.0000.05020.64
5.6.240.0030.04020.64
5.6.230.0070.04320.57
5.6.220.0030.04020.75
5.6.210.0000.04020.48
5.6.200.0070.03721.06
5.6.190.0000.04021.06
5.6.180.0000.06320.96
5.6.170.0030.04021.15
5.6.160.0000.08721.02
5.6.150.0030.08021.14
5.6.140.0100.05321.12
5.6.130.0030.08021.05
5.6.120.0070.06020.95
5.6.110.0070.07021.13
5.6.100.0070.07721.00
5.6.90.0100.07321.02
5.6.80.0030.08020.45
5.6.70.0070.06720.46
5.6.60.0100.07720.40
5.6.50.0000.07720.41
5.6.40.0030.07720.32
5.6.30.0000.05320.39
5.6.20.0030.08020.43
5.6.10.0070.07720.39
5.6.00.0030.07320.39
5.5.380.0070.04320.39
5.5.370.0000.04320.38
5.5.360.0030.05720.39
5.5.350.0000.04320.43
5.5.340.0070.03320.82
5.5.330.0030.04020.93
5.5.320.0000.04320.85
5.5.310.0030.04020.81
5.5.300.0100.04320.84
5.5.290.0100.07320.92
5.5.280.0000.07320.89
5.5.270.0170.07020.84
5.5.260.0070.08020.77
5.5.250.0130.03320.73
5.5.240.0070.07320.24
5.5.230.0130.06720.29
5.5.220.0030.07720.15
5.5.210.0030.07720.28
5.5.200.0030.05020.00
5.5.190.0100.07320.17
5.5.180.0030.08020.25
5.5.160.0070.07320.12
5.5.150.0070.07720.25
5.5.140.0070.08020.25
5.5.130.0070.07020.28
5.5.120.0000.08020.13
5.5.110.0000.07720.23
5.5.100.0000.05320.17
5.5.90.0030.07020.11
5.5.80.0070.07320.09
5.5.70.0000.08720.07
5.5.60.0200.06019.94
5.5.50.0030.08020.12
5.5.40.0070.07720.06
5.5.30.0100.05320.09
5.5.20.0030.07719.97
5.5.10.0070.07320.07
5.5.00.0130.04019.95
5.4.450.0030.08319.21
5.4.440.0100.07719.56
5.4.430.0070.07719.55
5.4.420.0030.08719.48
5.4.410.0000.07719.25
5.4.400.0030.07319.14
5.4.390.0000.04319.16
5.4.380.0070.07319.05
5.4.370.0100.06319.12
5.4.360.0170.06719.09
5.4.350.0030.07718.95
5.4.340.0030.07019.12
5.4.320.0070.06719.14
5.4.310.0030.07019.03
5.4.300.0030.08019.04
5.4.290.0030.07319.21
5.4.280.0030.07318.90
5.4.270.0000.05019.03
5.4.260.0030.07319.04
5.4.250.0100.06718.84
5.4.240.0030.08018.87
5.4.230.0000.08019.15
5.4.220.0030.07318.93
5.4.210.0030.05019.16
5.4.200.0000.07719.12
5.4.190.0070.07019.13
5.4.180.0130.04319.11
5.4.170.0030.04319.04
5.4.160.0070.07719.16
5.4.150.0070.05718.86
5.4.140.0030.04016.31
5.4.130.0000.07316.38
5.4.120.0000.06716.46
5.4.110.0000.07716.48
5.4.100.0070.07316.33
5.4.90.0030.05716.53
5.4.80.0030.08016.47
5.4.70.0000.06016.52
5.4.60.0030.07016.41
5.4.50.0030.06716.34
5.4.40.0030.05716.53
5.4.30.0030.07016.42
5.4.20.0130.05716.39
5.4.10.0030.05316.41
5.4.00.0070.07015.95
5.3.290.0030.08014.67
5.3.280.0000.08014.68
5.3.270.0000.07714.68
5.3.260.0000.08014.63
5.3.250.0000.07714.74
5.3.240.0030.07014.56
5.3.230.0100.06714.73
5.3.220.0000.07714.64
5.3.210.0030.07714.61
5.3.200.0070.07014.59
5.3.190.0030.08014.64
5.3.180.0030.07714.55
5.3.170.0030.04314.69
5.3.160.0000.07014.51
5.3.150.0030.05714.63
5.3.140.0030.07314.63
5.3.130.0100.07314.55
5.3.120.0000.07014.59
5.3.110.0030.08014.62
5.3.100.0070.06714.14
5.3.90.0000.07013.95
5.3.80.0000.08014.12
5.3.70.0000.06713.91
5.3.60.0000.04314.05
5.3.50.0030.06713.88
5.3.40.0070.07013.91
5.3.30.0070.07013.95
5.3.20.0000.07313.76
5.3.10.0100.05713.57
5.3.00.0000.07313.73
5.2.170.0070.06012.12
5.2.160.0000.03712.12
5.2.150.0100.05312.12
5.2.140.0000.05712.12
5.2.130.0000.06012.12
5.2.120.0000.05712.12
5.2.110.0070.06012.12
5.2.100.0070.05712.12
5.2.90.0070.06012.12
5.2.80.0030.06012.12
5.2.70.0100.05312.12
5.2.60.0000.05312.12
5.2.50.0000.05712.12
5.2.40.0070.05712.12
5.2.30.0000.06012.12
5.2.20.0030.03012.12
5.2.10.0000.04712.12
5.2.00.0030.06012.12
5.1.60.0000.05712.12
5.1.50.0100.04712.12
5.1.40.0030.03712.12
5.1.30.0030.05712.12
5.1.20.0000.03712.12
5.1.10.0070.05012.12
5.1.00.0070.05012.12
5.0.50.0070.04312.12
5.0.40.0000.04712.12
5.0.30.0000.06312.12
5.0.20.0000.04312.12
5.0.10.0070.04012.12
5.0.00.0030.05712.12
4.4.90.0000.03712.12
4.4.80.0000.03712.12
4.4.70.0030.03012.12
4.4.60.0000.04312.12
4.4.50.0000.03712.12
4.4.40.0070.04312.12
4.4.30.0000.03012.12
4.4.20.0000.02312.12
4.4.10.0070.03012.12
4.4.00.0100.04012.12
4.3.110.0070.03012.12
4.3.100.0030.03312.12
4.3.90.0030.03312.12
4.3.80.0030.05312.12
4.3.70.0000.03712.12
4.3.60.0000.03712.12
4.3.50.0000.03712.12
4.3.40.0030.05012.12
4.3.30.0000.03712.12
4.3.20.0000.03312.12
4.3.10.0070.03312.12
4.3.00.0070.03312.12

preferences:
49.31 ms | 400 KiB | 5 Q