3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "&#233333;"; $str = preg_replace_callback( '/\&\#([0-9]+)\;/m', function($matches) { var_dump($matches); return strtoupper($matches[1]); }, $str ); echo $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)
8.4.140.0080.01417.82
8.4.130.0120.00717.89
8.4.120.0130.00720.26
8.4.110.0110.01022.77
8.4.100.0140.00717.92
8.4.90.0150.00618.45
8.4.80.0140.00718.65
8.4.70.0110.01018.19
8.4.60.0090.01118.91
8.4.50.0090.01117.88
8.4.40.0100.00017.91
8.4.30.0090.00617.57
8.4.20.0040.01819.63
8.4.10.0040.00418.62
8.3.270.0130.00716.70
8.3.260.0150.00416.86
8.3.250.0140.00619.00
8.3.240.0060.00317.32
8.3.230.0050.00516.54
8.3.220.0030.00419.16
8.3.210.0080.01118.50
8.3.200.0040.00516.79
8.3.190.0100.00919.07
8.3.180.0150.00518.42
8.3.170.0040.01118.82
8.3.160.0110.00718.60
8.3.150.0120.00819.02
8.3.140.0040.00418.52
8.3.130.0040.00416.65
8.3.120.0090.00020.71
8.3.110.0030.00620.94
8.3.100.0060.00324.06
8.3.90.0130.00726.77
8.3.80.0090.00018.22
8.3.70.0040.01516.63
8.3.60.0070.01118.68
8.3.50.0090.00518.44
8.3.40.0140.00718.93
8.3.30.0090.00618.71
8.3.20.0090.00618.85
8.3.10.0040.00421.90
8.3.00.0000.00922.57
8.2.290.0050.00320.63
8.2.280.0100.01018.43
8.2.270.0050.00317.53
8.2.260.0000.00820.46
8.2.250.0120.00918.57
8.2.240.0000.00817.26
8.2.230.0080.00822.58
8.2.220.0060.00337.54
8.2.210.0070.00026.77
8.2.200.0030.00716.88
8.2.190.0180.00016.75
8.2.180.0180.00018.49
8.2.170.0120.00922.96
8.2.160.0100.00720.39
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00020.02
8.2.110.0000.01022.32
8.2.100.0170.00417.61
8.2.90.0000.00817.84
8.2.80.0030.00618.87
8.2.70.0040.00418.05
8.2.60.0030.00617.93
8.2.50.0080.00018.16
8.2.40.0110.00019.29
8.2.30.0000.00721.34
8.2.20.0040.00418.16
8.2.10.0040.00418.09
8.2.00.0040.00419.38
8.1.330.0110.00721.88
8.1.320.0130.00716.52
8.1.310.0040.00416.79
8.1.300.0040.00418.02
8.1.290.0060.00330.84
8.1.280.0100.00325.92
8.1.270.0050.00323.96
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00317.48
8.1.230.0060.00619.00
8.1.220.0030.00617.79
8.1.210.0030.00518.77
8.1.200.0050.00317.60
8.1.190.0000.01117.35
8.1.180.0080.00018.10
8.1.170.0000.00818.67
8.1.160.0050.00218.80
8.1.150.0000.00818.95
8.1.140.0000.00717.78
8.1.130.0040.00419.32
8.1.120.0070.00017.66
8.1.110.0040.00417.49
8.1.100.0040.00417.60
8.1.90.0080.00017.63
8.1.80.0060.00317.51
8.1.70.0040.00417.64
8.1.60.0060.00317.63
8.1.50.0040.00417.64
8.1.40.0060.00317.73
8.1.30.0040.00417.82
8.1.20.0000.00717.64
8.1.10.0050.00317.73
8.1.00.0000.00917.63
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.42
8.0.270.0000.00717.30
8.0.260.0040.00416.97
8.0.250.0030.00317.11
8.0.240.0040.00417.08
8.0.230.0030.00617.05
8.0.220.0040.00416.98
8.0.210.0000.00716.88
8.0.200.0030.00317.10
8.0.190.0030.00517.13
8.0.180.0030.00617.07
8.0.170.0040.00416.98
8.0.160.0030.00517.07
8.0.150.0070.00317.02
8.0.140.0000.00716.93
8.0.130.0050.00013.48
8.0.120.0060.00316.89
8.0.110.0000.00716.90
8.0.100.0070.00016.93
8.0.90.0040.00416.99
8.0.80.0130.00717.01
8.0.70.0030.00517.10
8.0.60.0040.00417.00
8.0.50.0020.00517.04
8.0.30.0140.00517.27
8.0.20.0120.00717.40
8.0.10.0040.00417.06
8.0.00.0120.00916.88
7.4.330.0000.00515.55
7.4.320.0030.00316.71
7.4.300.0030.00316.72
7.4.290.0040.00416.57
7.4.280.0070.00016.82
7.4.270.0000.00716.81
7.4.260.0000.00716.76
7.4.250.0030.00516.70
7.4.240.0050.00216.75
7.4.230.0050.00216.85
7.4.220.0050.00316.57
7.4.210.0050.01016.81
7.4.200.0030.00316.72
7.4.160.0070.01016.69
7.4.140.0070.01117.86
7.4.130.0070.01116.81
7.4.120.0090.00816.73
7.4.110.0070.01016.84
7.4.100.0120.00616.72
7.4.90.0100.00716.89
7.4.80.0090.01419.39
7.4.70.0080.01216.57
7.4.60.0000.01716.70
7.4.50.0070.00716.66
7.4.40.0140.00316.75
7.4.00.0050.01315.23
7.3.330.0030.00313.53
7.3.320.0030.00313.28
7.3.310.0030.00316.56
7.3.300.0000.00816.50
7.3.290.0000.00716.43
7.3.280.0090.00916.42
7.3.260.0070.01416.59
7.3.240.0080.01016.69
7.3.230.0110.00616.68
7.3.210.0120.00616.54
7.3.200.0100.00616.76
7.3.190.0030.01316.60
7.3.180.0060.00916.90
7.3.170.0070.01116.70
7.3.160.0130.00616.77
7.3.120.0000.01714.61
7.3.110.0130.00615.19
7.3.100.0030.01214.90
7.3.90.0070.01115.15
7.3.80.0090.00315.24
7.3.70.0000.01514.83
7.3.60.0030.01015.06
7.3.50.0040.01214.91
7.3.40.0070.00714.87
7.3.30.0090.00314.62
7.3.20.0030.00916.70
7.3.10.0100.00716.57
7.3.00.0060.00616.68
7.2.330.0090.01516.77
7.2.320.0040.01216.81
7.2.310.0100.01316.70
7.2.300.0090.01516.70
7.2.290.0110.00816.82
7.2.250.0090.00915.10
7.2.240.0040.01215.32
7.2.230.0060.00915.32
7.2.220.0080.00415.18
7.2.210.0030.01214.93
7.2.200.0030.01215.18
7.2.190.0070.00315.08
7.2.180.0000.01415.42
7.2.170.0000.01315.18
7.2.60.0040.01117.05
7.2.50.0000.01517.16
7.2.40.0800.01018.14
7.2.30.1130.01018.01
7.2.20.0870.00618.19
7.2.10.1160.00918.23
7.2.00.1110.01118.47
7.1.330.0080.00416.09
7.1.320.0000.00816.12
7.1.310.0090.00615.80
7.1.300.0040.00816.14
7.1.290.0040.01115.94
7.1.280.0070.00715.75
7.1.270.0070.00716.04
7.1.260.0040.00715.89
7.1.200.0060.00616.06
7.1.160.1200.01017.11
7.1.150.1090.01117.06
7.1.140.0800.00816.95
7.1.130.1110.01317.07
7.1.120.1400.00817.30
7.1.110.1340.00716.36
7.1.100.1030.00716.43
7.1.90.1860.01116.54
7.1.80.1830.00816.67
7.1.70.1230.00715.58
7.1.60.1470.01333.50
7.1.50.1240.00933.04
7.1.40.1750.01032.81
7.1.30.1130.01032.83
7.1.20.1330.01233.02
7.1.10.1340.01614.88
7.1.00.1300.00815.17

preferences:
34.49 ms | 403 KiB | 5 Q