3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = range(0, 99); $start = microtime(1); $result = []; for ($i = 0; $i < 100; $i++) if (preg_match("#$i#", $array[$i])) $result[] = $array[$i]; print "for \$i took ".($start - microtime(1))." seconds\n"; $start = microtime(1); $result = []; for ($i = 0; $i < 100; $i++) if (preg_match("#\d#", $array[$i])) $result[] = $array[$i]; print "for \\d took ".($start - microtime(1))." seconds\n"; $start = microtime(1); $result = []; foreach ($array as $entry) if (preg_match("#\d#", $entry)) $result[] = $entry; print "foreach \\d took ".($start - microtime(1))." seconds\n"; $start = microtime(1); $result = []; $result = preg_grep("#\d#", $array); print "preg_grep \\d took ".($start - microtime(1))." seconds\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)
7.4.00.0070.01415.13
7.3.120.0060.01215.11
7.3.110.0030.01415.07
7.3.100.0030.00914.86
7.3.90.0060.01015.30
7.3.80.0070.00714.87
7.3.70.0120.00314.98
7.3.60.0000.01815.03
7.3.50.0000.01615.18
7.3.40.0070.00715.12
7.3.30.0060.00614.99
7.3.20.0030.01016.79
7.3.10.0100.00316.95
7.3.00.0100.00616.80
7.2.250.0070.01115.47
7.2.240.0030.01515.43
7.2.230.0030.00715.47
7.2.220.0070.01115.21
7.2.210.0060.00615.13
7.2.200.0070.00715.18
7.2.190.0040.01215.36
7.2.180.0040.01115.34
7.2.170.0120.00615.48
7.2.00.0060.00919.95
7.1.330.0030.01216.11
7.1.320.0090.00616.36
7.1.310.0090.00616.30
7.1.300.0060.00916.36
7.1.290.0000.01215.94
7.1.280.0070.00715.91
7.1.270.0040.00716.21
7.1.260.0070.01015.88
7.1.70.0000.01017.17
7.1.60.0000.01117.68
7.1.50.0070.01817.36
7.1.00.0030.07022.70
7.0.200.0070.01016.94
7.0.140.0000.07722.18
7.0.70.0030.06721.84
7.0.60.0000.08321.85
7.0.50.0030.07722.22
7.0.40.0000.06020.23
7.0.30.0100.07320.26
7.0.20.0000.09020.03
7.0.10.0000.09020.22
7.0.00.0130.08320.22
5.6.220.0030.07020.49
5.6.210.0030.07020.56
5.6.200.0170.06721.09
5.6.190.0030.04321.06
5.6.180.0100.07321.13
5.6.170.0030.07721.02
5.6.160.0070.06721.02
5.6.150.0030.08020.95
5.6.140.0000.08721.11
5.6.130.0070.08021.10
5.6.120.0070.05321.05
5.6.110.0000.08721.12
5.6.100.0100.07321.01
5.6.90.0000.08721.08
5.6.80.0070.08020.48
5.6.70.0070.06320.45
5.6.60.0030.06720.39
5.6.50.0000.07720.51
5.6.40.0000.07320.33
5.6.30.0030.06320.40
5.6.20.0030.06720.50
5.6.10.0000.06720.48
5.6.00.0070.07720.38
5.5.360.0100.07320.45
5.5.350.0070.05020.48
5.5.340.0070.04020.78
5.5.330.0130.08020.95
5.5.320.0030.07020.93
5.5.310.0030.08720.79
5.5.300.0000.08020.84
5.5.290.0130.08020.92
5.5.280.0000.08320.82
5.5.270.0130.07720.92
5.5.260.0070.07320.91
5.5.250.0070.08020.69
5.5.240.0100.03720.15
5.5.230.0070.07020.15
5.5.220.0000.08320.22
5.5.210.0000.08020.22
5.5.200.0030.07720.19
5.5.190.0030.06320.20
5.5.180.0030.06320.20
5.5.160.0100.08020.16
5.5.150.0170.04720.16
5.5.140.0030.07320.18
5.5.130.0070.04020.27
5.5.120.0000.08320.25
5.5.110.0000.05719.97
5.5.100.0030.07320.11
5.5.90.0000.04320.11
5.5.80.0030.06320.12
5.5.70.0030.07019.95
5.5.60.0030.07320.18
5.5.50.0000.07320.01
5.5.40.0030.07320.11
5.5.30.0070.08020.16
5.5.20.0030.06720.15
5.5.10.0030.08020.05
5.5.00.0030.07720.14
5.4.450.0130.06719.41
5.4.440.0100.06719.49
5.4.430.0270.06019.18
5.4.420.0030.08019.56
5.4.410.0070.06319.11
5.4.400.0070.07319.09
5.4.390.0170.06319.14
5.4.380.0030.06319.05
5.4.370.0100.06718.92
5.4.360.0130.06319.14
5.4.350.0030.08018.80
5.4.340.0070.07319.07
5.4.320.0030.06019.16
5.4.310.0030.07319.25
5.4.300.0070.06718.96
5.4.290.0070.06018.92
5.4.280.0000.04019.11
5.4.270.0030.03719.08
5.4.260.0030.04019.14
5.4.250.0000.04019.06
5.4.240.0170.06718.81
5.4.230.0130.06719.13
5.4.220.0000.08318.82
5.4.210.0130.05718.82
5.4.200.0070.07719.04
5.4.190.0030.07718.91
5.4.180.0100.06318.93
5.4.170.0100.07719.19
5.4.160.0070.07319.13
5.4.150.0070.06319.02
5.4.140.0000.07716.44
5.4.130.0030.04716.13
5.4.120.0030.07716.46
5.4.110.0000.05716.33
5.4.100.0130.07016.39
5.4.90.0000.04316.43
5.4.80.0030.07316.46
5.4.70.0100.06716.28
5.4.60.0030.07716.31
5.4.50.0070.07016.35
5.4.40.0070.06316.30
5.4.30.0070.05716.30
5.4.20.0030.06316.44
5.4.10.0000.06316.47
5.4.00.0030.06015.87
5.3.290.0030.06014.50
5.3.280.0030.07014.59
5.3.270.0100.06714.61
5.3.260.0030.07714.56
5.3.250.0030.06314.59
5.3.240.0070.06314.62
5.3.230.0000.07314.60
5.3.220.0030.06014.53
5.3.210.0030.06314.43
5.3.200.0030.07014.56
5.3.190.0030.06314.54
5.3.180.0100.06014.42
5.3.170.0070.06014.55
5.3.160.0070.06714.52
5.3.150.0030.07014.48
5.3.140.0070.05714.42
5.3.130.0000.07714.40
5.3.120.0030.07714.50
5.3.110.0000.05714.41
5.3.100.0030.06313.89
5.3.90.0030.07713.88
5.3.80.0000.05313.77
5.3.70.0000.08013.87
5.3.60.0100.07013.91
5.3.50.0030.04713.95
5.3.40.0130.06313.93
5.3.30.0100.03013.85
5.3.20.0030.06713.67
5.3.10.0030.06313.59
5.3.00.0030.06713.64
5.2.170.0000.04012.46
5.2.160.0000.03312.46
5.2.150.0030.05312.46
5.2.140.0030.03712.46
5.2.130.0000.05312.46
5.2.120.0030.06312.46
5.2.110.0030.04012.46
5.2.100.0000.04312.46
5.2.90.0070.06012.46
5.2.80.0030.04012.46
5.2.70.0000.06312.46
5.2.60.0000.04712.46
5.2.50.0000.06712.46
5.2.40.0030.06012.46
5.2.30.0070.05312.46
5.2.20.0030.06012.46
5.2.10.0030.05312.46
5.2.00.0030.04712.46
5.1.60.0000.04312.46
5.1.50.0070.04712.46
5.1.40.0070.04312.46
5.1.30.0070.04312.46
5.1.20.0030.05712.46
5.1.10.0000.04712.46
5.1.00.0000.05312.46
5.0.50.0030.04012.46
5.0.40.0000.04312.46
5.0.30.0000.06312.46
5.0.20.0070.04012.46
5.0.10.0000.04312.46
5.0.00.0000.06712.46
4.4.90.0000.03712.46
4.4.80.0070.02312.46
4.4.70.0000.02312.46
4.4.60.0070.02312.46
4.4.50.0030.03012.46
4.4.40.0000.05012.46
4.4.30.0030.03312.46
4.4.20.0030.03012.46
4.4.10.0000.03012.46
4.4.00.0000.05312.46
4.3.110.0000.03312.46
4.3.100.0070.03012.46
4.3.90.0000.03312.46
4.3.80.0070.04012.46
4.3.70.0000.03312.46
4.3.60.0030.03312.46
4.3.50.0030.03312.46
4.3.40.0000.04712.46
4.3.30.0000.03012.46
4.3.20.0030.03312.46
4.3.10.0000.03712.46
4.3.00.0000.03712.46

preferences:
39.64 ms | 401 KiB | 5 Q