3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['key1' => 1, 'key2' => 2]; $tmp = $arr['key1']; $arr['key1'] = $arr['key2']; $arr['key2'] = $tmp; var_dump($arr);;

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)
8.4.140.0120.01017.62
8.4.130.0030.00918.68
8.4.120.0110.00820.49
8.4.110.0050.00618.76
8.4.100.0100.01119.49
8.4.90.0120.00918.70
8.4.80.0130.00717.48
8.4.70.0100.00617.53
8.4.60.0050.00318.71
8.4.50.0140.00718.41
8.4.40.0100.01019.41
8.4.30.0100.00017.76
8.4.20.0120.00817.76
8.4.10.0030.00619.30
8.3.270.0100.01118.18
8.3.260.0090.00616.45
8.3.250.0180.00116.99
8.3.240.0150.00416.29
8.3.230.0130.00516.48
8.3.220.0120.00716.66
8.3.210.0090.00816.80
8.3.200.0040.00716.46
8.3.190.0130.00917.17
8.3.180.0120.00618.94
8.3.170.0080.01118.72
8.3.160.0100.01018.36
8.3.150.0070.00018.96
8.3.140.0060.00920.54
8.3.130.0030.00618.33
8.3.120.0080.00818.85
8.3.110.0040.00420.94
8.3.100.0060.00316.48
8.3.90.0080.00826.77
8.3.80.0030.00616.55
8.3.70.0140.00016.58
8.3.60.0190.00418.18
8.3.50.0120.00316.30
8.3.40.0060.01118.45
8.3.30.0070.00718.63
8.3.20.0070.00020.18
8.3.10.0070.00021.95
8.3.00.0040.00420.90
8.2.290.0090.01020.39
8.2.280.0030.00418.61
8.2.270.0060.01316.80
8.2.260.0070.01117.10
8.2.250.0030.00618.30
8.2.240.0050.00518.74
8.2.230.0050.00522.58
8.2.220.0040.00424.06
8.2.210.0030.00626.77
8.2.200.0040.00416.63
8.2.190.0030.01716.75
8.2.180.0110.00325.92
8.2.170.0040.01122.96
8.2.160.0000.01419.25
8.2.150.0120.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0030.00617.63
8.2.110.0030.00721.05
8.2.100.0040.00817.91
8.2.90.0030.00618.34
8.2.80.0040.00419.16
8.2.70.0040.00417.50
8.2.60.0040.00417.63
8.2.50.0000.00817.79
8.2.40.0050.00319.53
8.2.30.0030.00519.17
8.2.20.0000.00718.10
8.2.10.0000.00718.01
8.2.00.0090.00217.80
8.1.330.0060.00521.67
8.1.320.0120.00717.80
8.1.310.0100.00716.67
8.1.300.0090.00019.78
8.1.290.0060.00330.84
8.1.280.0140.00425.92
8.1.270.0060.00322.05
8.1.260.0030.00526.35
8.1.250.0080.00028.09
8.1.240.0070.00319.13
8.1.230.0070.00420.90
8.1.220.0060.00317.74
8.1.210.0040.00419.94
8.1.200.0040.00417.25
8.1.190.0000.00917.36
8.1.180.0050.00318.10
8.1.170.0030.00617.62
8.1.160.0000.00718.86
8.1.150.0000.00720.16
8.1.140.0000.00719.41
8.1.130.0080.00318.06
8.1.120.0080.00317.41
8.1.110.0060.00517.40
8.1.100.0080.00417.24
8.1.90.0060.00617.37
8.1.80.0090.00217.38
8.1.70.0040.00817.35
8.1.60.0070.00617.43
8.1.50.0070.00617.44
8.1.40.0100.00317.43
8.1.30.0120.00117.53
8.1.20.0110.00217.48
8.1.10.0120.00017.37
8.1.00.0100.00317.38
8.0.300.0030.00320.09
8.0.290.0000.00716.63
8.0.280.0040.00418.43
8.0.270.0030.00616.75
8.0.260.0040.00817.77
8.0.250.0070.00416.75
8.0.240.0040.00816.80
8.0.230.0080.00316.79
8.0.220.0070.00416.77
8.0.210.0080.00216.75
8.0.200.0030.00516.86
8.0.190.0030.00516.73
8.0.180.0000.00716.74
8.0.170.0000.00716.80
8.0.160.0040.00316.79
8.0.150.0000.00716.69
8.0.140.0030.00516.62
8.0.130.0030.00514.91
8.0.120.0050.00416.66
8.0.110.0030.00516.66
8.0.100.0000.00816.60
8.0.90.0080.00016.68
8.0.80.0010.01016.70
8.0.70.0040.00416.67
8.0.60.0040.00416.60
8.0.50.0000.00916.68
8.0.30.0100.00716.88
8.0.20.0080.00917.26
8.0.10.0080.00316.80
8.0.00.0020.01116.74
7.4.330.0060.00315.67
7.4.320.0110.00016.37
7.4.300.0060.00516.38
7.4.290.0110.00216.45
7.4.280.0090.00416.40
7.4.270.0080.00316.42
7.4.260.0080.00316.40
7.4.250.0090.00316.30
7.4.240.0070.00416.43
7.4.230.0090.00316.40
7.4.220.0120.00316.44
7.4.210.0080.00816.43
7.4.200.0020.00816.32
7.4.190.0110.00316.27
7.4.180.0110.00316.38
7.4.160.0090.00616.38
7.4.150.0110.00516.86
7.4.140.0080.00917.46
7.4.130.0050.01016.27
7.4.120.0090.01016.46
7.4.110.0100.00616.38
7.4.100.0110.00416.51
7.4.90.0090.00516.44
7.4.80.0110.00417.77
7.4.70.0100.00516.31
7.4.60.0030.01216.36
7.4.50.0110.00316.35
7.4.40.0050.01116.23
7.4.30.0100.00516.35
7.4.20.0090.00616.28
7.4.10.0090.00516.26
7.4.00.0090.00415.67
7.3.330.0060.00414.60
7.3.320.0030.00714.57
7.3.310.0050.00516.16
7.3.300.0090.00216.12
7.3.290.0100.00516.32
7.3.280.0080.00816.32
7.3.270.0070.00816.76
7.3.260.0100.00616.36
7.3.250.0120.00516.35
7.3.240.0100.00616.33
7.3.230.0100.00616.18
7.3.220.0120.00316.14
7.3.210.0120.00416.25
7.3.200.0110.00516.13
7.3.190.0090.00516.22
7.3.180.0100.00516.17
7.3.170.0090.00716.10
7.3.160.0130.00216.27
7.3.150.0090.00516.04
7.3.140.0110.00316.04
7.3.130.0140.00016.16
7.3.120.0110.00416.14
7.3.110.0140.00015.83
7.3.100.0140.00015.97
7.3.90.0110.00316.27
7.3.80.0140.00016.14
7.3.70.0120.00316.12
7.3.60.0150.00016.24
7.3.50.0090.00516.24
7.3.40.0080.00516.34
7.3.30.0090.00616.18
7.3.20.0220.00018.19
7.3.10.0080.00617.12
7.3.00.0110.00417.07
7.2.340.0110.00316.13
7.2.330.0080.00716.37
7.2.320.0090.00716.43
7.2.310.0060.01016.37
7.2.300.0110.00416.50
7.2.290.0070.00816.30
7.2.280.0090.00516.23
7.2.270.0070.00716.28
7.2.260.0100.00316.24
7.2.250.0080.00615.99
7.2.240.0050.01016.26
7.2.230.0080.00816.13
7.2.220.0140.00016.13
7.2.210.0100.00516.30
7.2.200.0090.00616.28
7.2.190.0070.00716.09
7.2.180.0070.00716.06
7.2.170.0080.00616.18
7.2.160.0090.00516.31
7.2.150.0100.00717.95
7.2.140.0120.00417.97
7.2.130.0060.00717.33
7.2.120.0100.00717.06
7.2.110.0090.00517.00
7.2.100.0090.00516.89
7.2.90.0060.00617.02
7.2.80.0110.00416.92
7.2.70.0070.00817.14
7.2.60.0090.00617.07
7.2.50.0080.00717.19
7.2.40.0100.00417.10
7.2.30.0080.00617.22
7.2.20.0070.00517.16
7.2.10.0100.00317.22
7.2.00.0060.00717.18
7.1.330.0120.00317.26
7.1.320.0090.00517.18
7.1.310.0100.00317.08
7.1.300.0120.00217.12
7.1.290.0050.00917.14
7.1.280.0050.01017.12
7.1.270.0110.00417.27
7.1.260.0050.01017.14
7.1.250.0090.00516.32
7.1.240.0100.00816.19
7.1.230.0110.00616.24
7.1.220.0120.00416.19
7.1.210.0110.00516.35
7.1.200.0100.00616.16
7.1.190.0110.00516.22
7.1.180.0130.00416.13
7.1.170.0080.00916.15
7.1.160.0100.00816.13
7.1.150.0120.00316.26
7.1.140.0090.00716.28
7.1.130.0080.00716.12
7.1.120.0080.00716.18
7.1.110.0080.00716.21
7.1.100.0110.00516.26
7.1.90.0060.00816.08
7.1.80.1430.00716.09
7.1.70.1650.00815.79
7.1.60.1570.00920.29
7.1.50.1340.00720.27
7.1.40.1470.00820.18
7.1.30.1550.00720.24
7.1.20.1570.00920.27
7.1.10.1510.00615.79
7.1.00.1220.00415.80
7.0.330.0140.00016.66
7.0.320.0080.00615.81
7.0.310.0100.00615.85
7.0.300.0100.00615.71
7.0.290.0090.00515.88
7.0.280.0100.00615.85
7.0.270.0080.00715.90
7.0.260.0100.00515.75
7.0.250.0100.00615.94
7.0.240.0070.00915.88
7.0.230.0050.00915.82
7.0.220.0100.00415.76
7.0.210.0070.00815.62
7.0.200.1820.00815.50
7.0.190.1710.00715.61
7.0.180.1310.00715.63
7.0.170.1620.00715.51
7.0.160.1380.00615.45
7.0.150.1420.00715.52
7.0.140.1300.00815.50
7.0.130.1040.00815.47
7.0.120.1200.00615.60
7.0.110.1260.00815.41
7.0.100.1220.00615.51
7.0.90.1120.00615.43
7.0.80.1170.00415.50
7.0.70.1240.00315.48
7.0.60.1210.00715.40
7.0.50.1160.00415.43
7.0.40.1120.00515.03
7.0.30.1080.00714.91
7.0.20.1210.00714.94
7.0.10.0960.00915.05
7.0.00.1050.00715.00
5.6.400.0080.00415.79
5.6.390.0060.00615.79
5.6.380.0070.00514.63
5.6.370.0120.00015.79
5.6.360.0130.00015.79
5.6.350.0120.00015.79
5.6.340.0030.01015.79
5.6.330.0090.00315.79
5.6.320.0080.00615.79
5.6.310.0120.00015.79
5.6.300.0110.00315.79
5.6.290.0100.00315.79
5.6.280.0070.00515.79
5.6.270.0130.00015.79
5.6.260.0130.00015.79
5.6.250.0100.00315.79
5.6.240.0060.00615.85
5.6.230.0140.00015.84
5.6.220.0030.01015.89
5.6.210.0130.00015.90
5.6.200.0080.00515.79
5.6.190.0080.00515.79
5.6.180.0040.00915.84
5.6.170.0070.00715.81
5.6.160.0100.00315.86
5.6.150.0130.00015.86
5.6.140.0090.00315.79
5.6.130.0130.00015.84
5.6.120.0080.00415.84
5.6.110.0130.00015.79
5.6.100.0130.00015.79
5.6.90.0130.00015.79
5.6.80.0080.00415.79
5.6.70.0020.00915.79
5.6.60.0080.00415.79
5.6.50.0090.00415.79
5.6.40.0120.00015.79
5.6.30.0080.00415.84
5.6.20.0120.00015.79
5.6.10.0130.00015.79
5.6.00.0060.00615.79

preferences:
120.45 ms | 403 KiB | 5 Q