3v4l.org

run code in 300+ PHP versions simultaneously
<?php $_GET = ['user' => 'Bob', 'location' => 'city']; $queryStr = http_build_query($_GET); echo $queryStr, PHP_EOL; $sth = str_replace ("user", "somethingelse",$queryStr); echo $sth, PHP_EOL; $sth = substr($queryStr, 0, 9); echo $sth, 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)
8.4.130.0130.00817.95
8.4.120.0110.00820.63
8.4.110.0140.00618.72
8.4.100.0110.00917.76
8.4.90.0150.00517.80
8.4.80.0070.00119.41
8.4.70.0060.00417.88
8.4.60.0130.00718.73
8.4.50.0150.00920.09
8.4.40.0070.01417.72
8.4.30.0130.00619.34
8.4.20.0160.00619.41
8.4.10.0160.00019.48
8.3.260.0120.00816.59
8.3.250.0110.00719.01
8.3.240.0110.00818.84
8.3.230.0100.00616.73
8.3.220.0100.00916.66
8.3.210.0030.00516.60
8.3.200.0040.00516.56
8.3.190.0110.00616.88
8.3.180.0130.00616.50
8.3.170.0120.00617.13
8.3.160.0150.00318.24
8.3.150.0100.01020.93
8.3.140.0110.00717.19
8.3.130.0030.00618.41
8.3.120.0060.00320.60
8.3.110.0050.00316.79
8.3.100.0080.00316.53
8.3.90.0070.00718.29
8.3.80.0090.00018.31
8.3.70.0040.01216.49
8.3.60.0140.00318.28
8.3.50.0090.00416.48
8.3.40.0090.00918.77
8.3.30.0060.00918.60
8.3.20.0050.00321.86
8.3.10.0040.00423.51
8.3.00.0040.00423.66
8.2.290.0060.00318.67
8.2.280.0080.00819.13
8.2.270.0100.00717.09
8.2.260.0100.00016.73
8.2.250.0080.01216.42
8.2.240.0080.00416.27
8.2.230.0090.00920.94
8.2.220.0070.00324.06
8.2.210.0040.00426.77
8.2.200.0060.00318.43
8.2.190.0120.00616.58
8.2.180.0120.00316.50
8.2.170.0120.00922.96
8.2.160.0130.01019.35
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0040.00420.93
8.2.120.0080.00026.35
8.2.110.0030.00721.02
8.2.100.0080.00617.75
8.2.90.0030.00519.23
8.2.80.0080.00017.97
8.2.70.0040.00417.86
8.2.60.0000.00817.50
8.2.50.0000.00818.10
8.2.40.0000.00720.48
8.2.30.0040.00422.29
8.2.20.0040.00418.11
8.2.10.0050.00217.98
8.2.00.0000.00818.01
8.1.330.0110.00815.99
8.1.320.0110.00915.73
8.1.310.0000.01016.63
8.1.300.0130.00618.39
8.1.290.0080.00018.88
8.1.280.0100.00325.92
8.1.270.0050.00323.74
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00019.30
8.1.230.0130.00018.91
8.1.220.0000.00917.78
8.1.210.0000.00918.77
8.1.200.0030.00617.36
8.1.190.0000.00917.13
8.1.180.0040.00418.10
8.1.170.0030.00618.55
8.1.160.0070.00018.84
8.1.150.0000.00720.25
8.1.140.0050.00317.69
8.1.130.0090.00018.87
8.1.120.0070.00317.44
8.1.110.0080.00017.42
8.1.100.0040.00417.43
8.1.90.0040.00417.45
8.1.80.0050.00317.45
8.1.70.0000.00717.49
8.1.60.0030.00617.44
8.1.50.0030.00617.54
8.1.40.0040.00417.50
8.1.30.0040.00417.66
8.1.20.0030.00517.55
8.1.10.0080.00017.39
8.1.00.0000.00717.38
8.0.300.0000.00719.64
8.0.290.0090.00016.75
8.0.280.0000.00718.45
8.0.270.0000.00717.16
8.0.260.0030.00316.79
8.0.250.0000.00716.87
8.0.240.0050.00216.95
8.0.230.0000.00716.83
8.0.220.0040.00416.88
8.0.210.0000.00716.97
8.0.200.0030.00316.89
8.0.190.0000.00716.98
8.0.180.0030.00316.95
8.0.170.0030.00616.79
8.0.160.0050.00516.92
8.0.150.0030.00716.79
8.0.140.0030.00516.84
8.0.130.0050.00013.23
8.0.120.0000.00816.86
8.0.110.0080.00016.93
8.0.100.0080.00016.87
8.0.90.0040.00416.92
8.0.80.0120.00316.93
8.0.70.0050.00316.78
8.0.60.0040.00416.93
8.0.50.0040.00416.83
8.0.30.0100.00717.09
8.0.20.0120.00617.40
8.0.10.0040.00416.85
8.0.00.0110.00816.65
7.4.330.0030.00215.55
7.4.320.0030.00316.50
7.4.300.0000.00616.59
7.4.290.0000.00816.63
7.4.280.0000.00716.61
7.4.270.0030.00316.59
7.4.260.0040.00416.46
7.4.250.0000.00716.46
7.4.240.0040.00416.47
7.4.230.0040.00416.43
7.4.220.0080.00016.32
7.4.210.0070.00716.52
7.4.200.0040.00416.62
7.4.160.0070.00916.51
7.4.140.0100.00817.86
7.4.130.0130.00716.57
7.4.120.0110.00716.61
7.4.110.0030.01316.55
7.4.100.0100.00716.46
7.4.90.0070.01116.51
7.4.80.0090.00919.39
7.4.70.0130.00716.52
7.4.60.0070.01416.51
7.4.50.0090.00616.31
7.4.40.0070.01016.40
7.4.00.0080.00814.80
7.3.330.0000.00512.95
7.3.320.0020.00213.12
7.3.310.0020.00516.28
7.3.300.0040.00416.23
7.3.290.0100.00616.19
7.3.280.0080.00916.20
7.3.260.0080.01216.39
7.3.240.0110.00916.40
7.3.230.0130.00316.15
7.3.210.0070.01016.07
7.3.200.0090.00616.24
7.3.190.0080.00816.30
7.3.180.0120.00316.49
7.3.170.0150.01016.51
7.3.160.0060.01316.27
7.3.120.0050.01315.28
7.3.110.0050.00915.39
7.3.100.0060.01015.11
7.3.90.0100.00515.30
7.3.80.0050.00915.30
7.3.70.0070.00915.29
7.3.60.0070.00715.12
7.3.50.0030.01115.32
7.3.40.0030.01015.20
7.3.30.0080.00715.25
7.3.20.0090.00616.34
7.3.10.0050.00916.22
7.3.00.0040.01216.28
7.2.330.0160.00016.57
7.2.320.0040.01416.39
7.2.310.0140.00316.43
7.2.300.0120.00616.32
7.2.290.0130.01016.32
7.2.250.0030.01314.84
7.2.240.0070.00915.52
7.2.230.0050.01115.40
7.2.220.0050.01115.51
7.2.210.0030.01215.54
7.2.200.0080.00715.60
7.2.190.0040.00915.49
7.2.180.0070.00915.44
7.2.170.0060.00915.35
7.2.160.0080.00715.45
7.2.150.0070.00616.41
7.2.140.0030.01116.36
7.2.130.0090.00716.31
7.2.120.0040.01216.44
7.2.110.0110.00416.33
7.2.100.0060.00816.40
7.2.90.0080.00616.39
7.2.80.0060.00816.24
7.2.70.0030.01216.50
7.2.60.0050.00916.52
7.2.50.0120.00616.42
7.2.40.0060.01016.45
7.2.30.0100.00816.77
7.2.20.0090.00916.69
7.2.10.0070.01016.61
7.2.00.0100.01016.78
7.1.330.0070.00615.61
7.1.320.0050.00915.52
7.1.310.0050.00915.60
7.1.300.0060.01015.59
7.1.290.0070.00615.56
7.1.280.0060.00615.58
7.1.270.0070.00815.44
7.1.260.0070.00515.66
7.1.250.0060.00815.76
7.1.240.0070.01014.84
7.1.230.0060.01114.86
7.1.220.0100.00614.80
7.1.210.0100.00814.86
7.1.200.0060.00715.03
7.1.190.0100.00414.78
7.1.180.0050.00914.80
7.1.170.0070.00914.78
7.1.160.0050.01014.87
7.1.150.0100.00715.52
7.1.140.0080.01315.49
7.1.130.0100.00915.40
7.1.120.0100.00915.33
7.1.110.0090.00715.07
7.1.100.0070.00715.26
7.1.90.0100.00815.28
7.1.80.0120.00415.24
7.1.70.0110.00914.84
7.1.60.0290.00720.93
7.1.50.0100.01220.78
7.1.40.0130.01020.66
7.1.30.0100.01320.76
7.1.20.0160.01020.72
7.1.10.0090.00514.84
7.1.00.0120.01114.69
7.0.330.0070.01014.59
7.0.320.0110.00415.29
7.0.310.0070.00715.36
7.0.300.0070.00715.15
7.0.290.0070.00715.31
7.0.280.0000.01315.29
7.0.270.0060.00615.34
7.0.260.0030.00915.45
7.0.250.0040.00715.18
7.0.240.0000.01115.63
7.0.230.0030.00615.54
7.0.220.0060.00315.39
7.0.210.0060.00315.25
7.0.200.0060.00615.13
7.0.190.0060.00315.47
7.0.180.0040.00415.21
7.0.170.0040.00715.13
7.0.160.0070.00715.18
7.0.150.0070.00315.34
7.0.140.0030.01215.36
7.0.130.0070.00415.15
7.0.120.0050.00515.36
7.0.110.0070.00715.34
7.0.100.0000.01115.30
7.0.90.0000.01015.44
7.0.80.0080.00415.29
7.0.70.0090.00015.15
7.0.60.0060.00915.35
7.0.50.0000.01015.58
7.0.40.0070.00713.35
7.0.30.0060.01013.49
7.0.20.0040.01113.31
7.0.10.0100.00313.42
7.0.00.0030.01013.32
5.6.400.0090.00814.29
5.6.390.0080.00614.45
5.6.380.0090.01114.21
5.6.370.0030.01114.33
5.6.360.0060.00614.46
5.6.350.0060.00914.48
5.6.340.0070.00713.93
5.6.330.0030.01014.50
5.6.320.0070.00314.74
5.6.310.0030.01014.53
5.6.300.0030.00714.39
5.6.290.0080.00414.33
5.6.280.0030.00614.21
5.6.270.0090.00314.36
5.6.260.0110.00414.44
5.6.250.0040.01114.19
5.6.240.0040.00714.33
5.6.230.0070.00714.19
5.6.220.0040.00414.00
5.6.210.0100.00314.30
5.6.200.0040.00714.26
5.6.190.0150.00314.52
5.6.180.0090.00914.22
5.6.170.0070.01014.22
5.6.160.0000.01214.12
5.6.150.0080.00314.13
5.6.140.0030.01414.23
5.6.130.0040.01514.34
5.6.120.0080.01114.20
5.6.110.0150.00414.32
5.6.100.0080.00814.38
5.6.90.0080.00314.24
5.6.80.0090.00914.27
5.6.70.0060.00614.14
5.6.60.0000.01114.48
5.6.50.0030.00914.15
5.6.40.0070.01014.48
5.6.30.0030.01014.50
5.6.20.0030.01414.50
5.6.10.0000.01514.11
5.6.00.0000.00813.85

preferences:
29.74 ms | 403 KiB | 5 Q