3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); function buildPosArr( $s, $d ) { $pArr = []; $needle = ""; $endstr = 0; for( $i=0, $max=count( $d ); $i < $max-1; $i++) { $needle = $d[$i]; if( ($pos = stripos( $s, $needle ) ) !== false){ $pArr[$pos] = $needle; if ($needle == "plain") break; // done for ( $j = $pos, $max = ($pos + strlen($needle)); $j < $max; $j++) { $s[$j] = "\0"; } // end for }// end if }// end for return $pArr; } function assign2str(&$s,$k,$v){ $max = strlen($v); for($i = $k, $j=0; $j < $max; $j++,$i++) { $s[$i] = $v[$j]; } } $str = "THERAININSPAINSTAYSMAINLYINTHEPLAIN."; echo "Before: $str\n\n"; $d = ["The", "rain", "in", "Spain", "stays", "mainly", "in", "the", "plain"]; $arr = buildPosArr( $str, $d ); foreach ($arr as $key => $value) { switch($value) { case "The": $value = strtolower($value); break; case "rain": $value = ucfirst($value); break; case "in": $value = ucfirst($value); case "Spain": break; case "stays": $value = strtoupper($value); break; case "mainly": break; case "plain": $value = ucfirst($value); default: break; } assign2str( $str,$key,$value ); } echo " After: ",$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)
8.3.60.0070.01116.75
8.3.50.0110.00716.66
8.3.40.0110.00418.79
8.3.30.0160.00618.81
8.3.20.0040.00421.73
8.3.10.0050.00221.90
8.3.00.0040.00419.92
8.2.180.0090.01218.31
8.2.170.0090.00622.96
8.2.160.0110.00719.30
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00420.56
8.2.120.0000.00726.35
8.2.110.0100.00021.04
8.2.100.0000.01117.85
8.2.90.0060.00319.17
8.2.80.0050.00317.97
8.2.70.0030.00517.63
8.2.60.0030.00618.16
8.2.50.0000.00818.07
8.2.40.0020.00518.16
8.2.30.0040.00418.03
8.2.20.0050.00318.20
8.2.10.0030.00618.04
8.2.00.0000.00818.21
8.1.280.0070.01025.92
8.1.270.0050.00320.78
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.84
8.1.230.0060.00622.66
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0070.00317.38
8.1.190.0080.00017.36
8.1.180.0060.00319.17
8.1.170.0030.00618.65
8.1.160.0040.00418.92
8.1.150.0070.00020.34
8.1.140.0000.00919.59
8.1.130.0000.00820.77
8.1.120.0000.00717.45
8.1.110.0050.00317.50
8.1.100.0000.00817.52
8.1.90.0030.00617.43
8.1.80.0040.00417.43
8.1.70.0000.00717.38
8.1.60.0030.00517.45
8.1.50.0030.00517.56
8.1.40.0040.00417.44
8.1.30.0060.00317.63
8.1.20.0040.00417.74
8.1.10.0000.00817.63
8.1.00.0040.00417.46
8.0.300.0040.00420.43
8.0.290.0000.01016.63
8.0.280.0000.00818.47
8.0.270.0070.00017.36
8.0.260.0030.00318.91
8.0.250.0000.00716.99
8.0.240.0000.00716.90
8.0.230.0000.00816.96
8.0.220.0040.00416.93
8.0.210.0070.00016.91
8.0.200.0000.00616.85
8.0.190.0060.00616.88
8.0.180.0060.00316.84
8.0.170.0040.00716.95
8.0.160.0000.00716.95
8.0.150.0040.00416.92
8.0.140.0000.00716.88
8.0.130.0030.00313.29
8.0.120.0080.00016.80
8.0.110.0000.00716.74
8.0.100.0080.00016.79
8.0.90.0050.00216.79
8.0.80.0000.02116.95
8.0.70.0040.00416.87
8.0.60.0030.00616.92
8.0.50.0000.00716.81
8.0.30.0050.01417.03
8.0.20.0110.00917.40
8.0.10.0040.00417.07
8.0.00.0120.00616.86
7.4.330.0050.00015.55
7.4.320.0030.00316.52
7.4.300.0000.00716.50
7.4.290.0030.00316.65
7.4.280.0030.00616.60
7.4.270.0040.00416.52
7.4.260.0000.00716.61
7.4.250.0040.00416.50
7.4.240.0030.00316.64
7.4.230.0030.00416.67
7.4.220.0210.00616.57
7.4.210.0080.00516.47
7.4.200.0030.00316.57
7.4.160.0120.00616.48
7.4.150.0030.01417.40
7.4.140.0100.00917.86
7.4.130.0160.00316.69
7.4.120.0140.00616.54
7.4.110.0140.01016.71
7.4.100.0120.00616.52
7.4.90.0030.01716.56
7.4.80.0040.01119.39
7.4.70.0130.00316.37
7.4.60.0080.00816.41
7.4.50.0000.01816.40
7.4.40.0090.01316.63
7.4.30.0060.01016.54
7.4.00.0080.00815.27
7.3.330.0060.00013.26
7.3.320.0000.00513.20
7.3.310.0000.00716.25
7.3.300.0030.00316.35
7.3.290.0080.00616.37
7.3.280.0060.01116.38
7.3.270.0030.01717.40
7.3.260.0120.00616.50
7.3.250.0090.00816.40
7.3.240.0070.01316.41
7.3.230.0140.00516.41
7.3.210.0110.00616.60
7.3.200.0100.00716.70
7.3.190.0090.00616.56
7.3.180.0090.00916.53
7.3.170.0130.01216.41
7.3.160.0160.00016.44
7.3.120.0130.00614.64
7.3.110.0090.01014.67
7.3.100.0000.01114.61
7.3.90.0060.00314.83
7.3.80.0030.01014.88
7.3.70.0030.00614.98
7.3.60.0090.00614.83
7.3.50.0070.00714.85
7.3.40.0040.00814.89
7.3.30.0030.01414.73
7.3.20.0070.00716.75
7.3.10.0030.01716.45
7.3.00.0030.01016.40
7.2.330.0100.01416.78
7.2.320.0160.00316.54
7.2.310.0100.01016.84
7.2.300.0130.00316.81
7.2.290.0080.00816.76
7.2.250.0070.01015.36
7.2.240.0040.01515.07
7.2.230.0000.01415.10
7.2.220.0080.00315.25
7.2.210.0030.00615.36
7.2.200.0070.00715.23
7.2.190.0070.00714.79
7.2.180.0070.01015.10
7.2.170.0070.00715.03
7.2.60.0090.00617.05
7.2.50.0030.01316.84
7.1.330.0070.00715.67
7.1.320.0030.01015.57
7.1.310.0100.00315.97
7.1.300.0110.00415.84
7.1.290.0060.00915.60
7.1.280.0030.00615.64
7.1.270.0030.01015.85
7.1.260.0070.01315.63
7.1.200.0040.01115.68
7.1.70.0100.00017.16
7.1.60.1030.01033.06
7.1.50.1100.01333.10
7.1.40.0770.01332.66
7.1.30.0700.02332.61
7.1.20.1000.01732.84
7.1.10.0700.01314.89
7.1.00.0970.00714.68
7.0.200.0730.01714.94
7.0.190.0600.00314.99
7.0.180.0500.02014.41
7.0.170.0900.00714.73
7.0.160.0500.01014.69
7.0.150.0730.01314.64
7.0.140.0500.01314.47
7.0.130.0630.01014.93
7.0.120.0530.01014.84
7.0.110.0500.01714.66
7.0.100.0570.00714.50
7.0.90.0870.01014.77
7.0.80.0570.01314.53
7.0.70.1300.00714.48
7.0.60.0800.01314.54
7.0.50.0530.00714.83
7.0.40.0670.01014.82
7.0.30.0530.01014.69
7.0.20.0500.01014.61
7.0.10.0530.01314.54
7.0.00.0500.01014.60

preferences:
50.96 ms | 400 KiB | 5 Q