3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "this is \n text"; $b = "this is ☭ text"; echo mb_strpos($a, "text", 0, "UTF-8") . PHP_EOL; echo mb_strpos($b, "text", 0, "UTF-8") . PHP_EOL;

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)
8.3.60.0110.01116.63
8.3.50.0140.00718.08
8.3.40.0070.00718.72
8.3.30.0090.00618.68
8.3.20.0030.00522.11
8.3.10.0070.01123.34
8.3.00.0040.00419.56
8.2.180.0140.00716.63
8.2.170.0140.00722.96
8.2.160.0110.00418.96
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0040.00421.18
8.2.120.0040.00426.35
8.2.110.0060.00322.21
8.2.100.0040.00817.91
8.2.90.0040.00419.13
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0000.00818.04
8.2.50.0060.00318.10
8.2.40.0000.00821.92
8.2.30.0000.00719.12
8.2.20.0040.00417.91
8.2.10.0030.00617.91
8.2.00.0000.00718.09
8.1.280.0090.01225.92
8.1.270.0030.00622.20
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00020.96
8.1.230.0110.00019.10
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0080.00017.22
8.1.180.0050.00318.10
8.1.170.0030.00518.59
8.1.160.0000.00819.00
8.1.150.0000.00718.88
8.1.140.0050.00319.49
8.1.130.0030.00318.79
8.1.120.0030.00517.52
8.1.110.0050.00217.47
8.1.100.0040.00417.46
8.1.90.0060.00317.49
8.1.80.0000.00717.35
8.1.70.0030.00317.32
8.1.60.0050.00317.63
8.1.50.0040.00417.58
8.1.40.0060.00317.51
8.1.30.0040.00417.70
8.1.20.0030.00517.67
8.1.10.0060.00317.53
8.1.00.0070.00017.49
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0050.00218.54
8.0.270.0060.00317.22
8.0.260.0000.00618.94
8.0.250.0000.00717.02
8.0.240.0000.00717.07
8.0.230.0030.00516.91
8.0.220.0030.00316.98
8.0.210.0040.00416.85
8.0.200.0070.00017.00
8.0.190.0050.00317.00
8.0.180.0080.00016.96
8.0.170.0000.00716.88
8.0.160.0030.00516.98
8.0.150.0070.00016.95
8.0.140.0040.00416.80
8.0.130.0050.00013.43
8.0.120.0040.00416.93
8.0.110.0070.00016.89
8.0.100.0030.00516.97
8.0.90.0040.00416.93
8.0.80.0000.01616.89
8.0.70.0020.00516.94
8.0.60.0050.00316.90
8.0.50.0000.00716.90
8.0.30.0070.01117.02
8.0.20.0150.00517.40
8.0.10.0040.00417.01
8.0.00.0140.00316.95
7.4.330.0020.00215.55
7.4.320.0060.00016.43
7.4.300.0000.00616.38
7.4.290.0040.00416.29
7.4.280.0050.00316.41
7.4.270.0030.00516.54
7.4.260.0050.00216.54
7.4.250.0030.00316.41
7.4.240.0020.00516.35
7.4.230.0070.00016.34
7.4.220.0070.01016.50
7.4.210.0060.01416.43
7.4.200.0030.00316.61
7.4.160.0070.01116.49
7.4.150.0130.00517.40
7.4.140.0090.00817.86
7.4.130.0120.00616.48
7.4.120.0090.01316.39
7.4.110.0100.01316.38
7.4.100.0130.01016.48
7.4.90.0190.00416.36
7.4.80.0080.00819.39
7.4.70.0070.01016.59
7.4.60.0040.01116.45
7.4.50.0080.00516.39
7.4.40.0100.00716.66
7.4.30.0100.00716.53
7.4.00.0030.00814.75
7.3.330.0030.00313.12
7.3.320.0000.00613.18
7.3.310.0030.00316.16
7.3.300.0000.00616.24
7.3.290.0060.00816.21
7.3.280.0100.00616.20
7.3.270.0080.01217.40
7.3.260.0090.01116.41
7.3.250.0120.00816.40
7.3.240.0100.00616.25
7.3.230.0100.00716.23
7.3.210.0100.00716.43
7.3.200.0060.01016.29
7.3.190.0120.00616.48
7.3.180.0080.00816.48
7.3.170.0060.00916.31
7.3.160.0000.01816.56
7.3.10.0000.01616.21
7.3.00.0040.01116.62
7.2.330.0100.00716.57
7.2.320.0100.00716.65
7.2.310.0110.01116.38
7.2.300.0060.00916.45
7.2.290.0130.00316.35
7.2.130.0030.01016.80
7.2.120.0040.00416.91
7.2.110.0000.01116.90
7.2.100.0120.00316.85
7.2.90.0030.00716.90
7.2.80.0140.00016.53
7.2.70.0040.00716.76
7.2.60.0050.00616.78
7.2.50.0030.00816.91
7.2.40.0030.00716.96
7.2.30.0030.00616.80
7.2.20.0030.01016.64
7.2.10.0090.00316.77
7.2.00.0040.00716.90
7.1.250.0030.01315.85
7.1.200.0030.00815.77
7.1.70.0550.00015.13
7.1.60.0590.00315.02
7.1.50.0500.00615.13
7.1.40.0530.01414.98
7.1.30.0540.00714.98
7.1.20.0480.00314.98
7.1.10.0400.00714.98
7.1.00.0420.01014.98
7.0.200.0760.00315.05
7.0.190.0560.00714.98
7.0.180.4270.00714.98
7.0.170.0390.01014.98
7.0.160.0430.00414.98
7.0.150.0410.01314.98
7.0.140.0450.00614.98
7.0.130.0470.00614.98
7.0.120.0580.01014.98
7.0.110.0450.00814.98
7.0.100.0520.00714.98
7.0.90.0540.00314.98
7.0.80.0910.01014.98
7.0.70.0560.01014.98
7.0.60.0600.00314.98
7.0.50.0560.00314.98
7.0.40.0100.00314.98
7.0.30.0060.00614.98
7.0.20.0070.01014.98
7.0.10.0030.00914.98
7.0.00.0170.00014.98

preferences:
51.55 ms | 401 KiB | 5 Q