3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array(); //unset ($x); //$x = ""; $x['foo'] = 'bar'; echo " Array value is " . $x['foo'] ; ?>

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)
8.3.60.0060.00918.18
8.3.50.0180.00318.18
8.3.40.0110.00318.92
8.3.30.0090.00618.77
8.3.20.0040.00421.81
8.3.10.0090.00020.70
8.3.00.0050.00322.09
8.2.180.0140.00618.29
8.2.170.0090.00922.96
8.2.160.0080.00622.02
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0030.00719.70
8.2.120.0070.00026.35
8.2.110.0070.00321.05
8.2.100.0080.00417.78
8.2.90.0040.00419.36
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0080.00018.16
8.2.50.0040.00418.10
8.2.40.0000.00720.42
8.2.30.0050.00219.29
8.2.20.0000.00818.17
8.2.10.0000.00818.10
8.2.00.0030.00517.76
8.1.280.0150.00325.92
8.1.270.0040.00423.83
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0080.00317.82
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00917.36
8.1.190.0030.00517.22
8.1.180.0060.00318.10
8.1.170.0000.00818.44
8.1.160.0000.00718.81
8.1.150.0000.00721.92
8.1.140.0000.00719.55
8.1.130.0070.00018.98
8.1.120.0000.00717.32
8.1.110.0000.00817.34
8.1.100.0070.00017.37
8.1.90.0070.00017.39
8.1.80.0050.00217.21
8.1.70.0030.00317.28
8.1.60.0030.00617.42
8.1.50.0000.00817.50
8.1.40.0000.00817.46
8.1.30.0000.00717.43
8.1.20.0040.00417.50
8.1.10.0000.00817.46
8.1.00.0040.00417.50
8.0.300.0070.00318.77
8.0.290.0060.00316.63
8.0.280.0000.00718.38
8.0.270.0000.00717.31
8.0.260.0040.00417.30
8.0.250.0000.00816.94
8.0.240.0070.00416.95
8.0.230.0000.00716.95
8.0.220.0000.00716.84
8.0.210.0000.00816.88
8.0.200.0030.00316.86
8.0.190.0000.00716.98
8.0.180.0050.00216.80
8.0.170.0000.00716.77
8.0.160.0050.00216.98
8.0.150.0030.00716.93
8.0.140.0050.00316.86
8.0.130.0000.00513.27
8.0.120.0050.00316.90
8.0.110.0030.00516.93
8.0.100.0040.00416.86
8.0.90.0040.00416.92
8.0.80.0060.00916.73
8.0.70.0040.00416.84
8.0.60.0040.00416.88
8.0.50.0000.00716.60
8.0.30.0090.01117.02
8.0.20.0100.00917.40
8.0.10.0050.00216.91
8.0.00.0100.00716.60
7.4.330.0020.00215.55
7.4.320.0000.00716.54
7.4.300.0030.00316.39
7.4.290.0070.00016.53
7.4.280.0030.00716.48
7.4.270.0040.00416.54
7.4.260.0030.00316.47
7.4.250.0000.00716.39
7.4.240.0000.00816.45
7.4.230.0030.00316.38
7.4.220.0130.01016.40
7.4.210.0040.01116.30
7.4.200.0050.00216.36
7.4.160.0090.00616.31
7.4.150.0100.00617.40
7.4.140.0120.00817.86
7.4.130.0130.00416.48
7.4.120.0110.01016.43
7.4.110.0140.00316.63
7.4.100.0060.01216.52
7.4.90.0110.00616.52
7.4.80.0090.00919.39
7.4.70.0090.00916.46
7.4.60.0050.01416.49
7.4.50.0110.00316.56
7.4.40.0030.01716.65
7.4.30.0130.00316.49
7.4.10.0130.00316.53
7.4.00.0100.00815.78
7.3.330.0050.00013.14
7.3.320.0050.00012.98
7.3.310.0000.00716.30
7.3.300.0030.00316.29
7.3.290.0050.00916.26
7.3.280.0120.00916.26
7.3.270.0160.00617.40
7.3.260.0100.00716.35
7.3.250.0110.00616.53
7.3.240.0110.00816.36
7.3.230.0070.01016.52
7.3.210.0130.00616.27
7.3.200.0100.00616.48
7.3.190.0090.00616.28
7.3.180.0090.00616.39
7.3.170.0140.00416.30
7.3.160.0070.01316.46
7.3.130.0090.00916.39
7.3.120.0030.01416.40
7.3.110.0070.00716.14
7.3.100.0100.00616.25
7.3.90.0000.01016.35
7.3.80.0030.01016.55
7.3.70.0070.00716.23
7.3.60.0100.00616.11
7.3.50.0080.00416.37
7.3.40.0090.00616.23
7.3.30.0100.00716.42
7.3.20.0060.01018.17
7.3.10.0060.00717.36
7.3.00.0040.01117.32
7.2.330.0090.00916.68
7.2.320.0110.00716.68
7.2.310.0070.01016.72
7.2.300.0100.01316.70
7.2.290.0060.01316.51
7.2.260.0120.00616.57
7.2.250.0110.00816.64
7.2.240.0100.00716.73
7.2.230.0070.00716.66
7.2.220.0030.01016.54
7.2.210.0030.01016.65
7.2.200.0000.01516.44
7.2.190.0040.01116.59
7.2.180.0120.00416.46
7.2.170.0090.00616.52
7.2.160.0030.01216.45
7.2.150.0070.01018.39
7.2.140.0000.01518.36
7.2.130.0070.00717.57
7.2.120.0060.00617.62
7.2.110.0050.00717.13
7.2.100.0120.00017.55
7.2.90.0020.01417.53
7.2.80.0110.00417.62
7.2.70.0070.00717.57
7.2.60.0030.01117.64
7.2.50.0050.00917.54
7.2.40.0180.00817.56
7.2.30.0090.01017.81
7.2.20.0150.00917.69
7.2.10.0070.00717.58
7.2.00.0040.01017.54
7.1.330.0040.01117.29
7.1.320.0060.00617.39
7.1.310.0110.00017.28
7.1.300.0030.00917.25
7.1.290.0110.00717.18
7.1.280.0090.00617.09
7.1.270.0040.01117.16
7.1.260.0070.01017.23
7.1.250.0070.01016.33
7.1.240.0040.01117.24
7.1.230.0030.01017.31
7.1.220.0030.01017.19
7.1.210.0110.00417.09
7.1.200.0050.00716.64
7.1.190.0090.00317.18
7.1.180.0070.01017.34
7.1.170.0060.01517.13
7.1.160.0030.00617.17
7.1.150.0070.00717.21
7.1.140.0040.00717.14
7.1.130.0030.01017.34
7.1.120.0080.00817.29
7.1.110.0100.00617.46
7.1.100.0030.01317.28
7.1.90.0070.01017.02
7.1.80.0030.01017.32
7.1.70.0040.00816.96
7.1.60.0050.00717.23
7.1.50.0070.00717.33
7.1.40.0000.01417.21
7.1.30.0030.01017.34
7.1.20.0070.00717.24
7.1.10.0050.03719.72
7.1.00.0050.03819.86
7.0.330.0070.00716.80
7.0.320.0060.00817.00
7.0.310.0040.00417.03
7.0.300.0040.01216.93
7.0.290.0040.00716.97
7.0.280.0030.01216.90
7.0.270.0060.00317.17
7.0.260.0030.00916.84
7.0.250.0030.00717.13
7.0.240.0040.00717.07
7.0.230.0030.01016.82
7.0.220.0110.00416.87
7.0.210.0110.00417.14
7.0.200.0030.01016.71
7.0.190.0100.00317.00
7.0.180.0140.00317.07
7.0.170.0070.00716.82
7.0.160.0030.01016.93
7.0.150.0050.03219.46
7.0.140.0030.03319.55
7.0.130.0040.03619.36
7.0.120.0080.03119.43
7.0.110.0050.03319.48
7.0.100.0030.03819.48
7.0.90.0130.02719.32
7.0.80.0030.03519.41
7.0.70.0070.03519.42
7.0.60.0060.03219.38
7.0.50.0080.02919.49
7.0.40.0080.03018.52
7.0.30.0110.02318.42
7.0.20.0050.03218.27
7.0.10.0100.02818.42
7.0.00.0040.03418.48
5.6.400.0090.00615.66
5.6.390.0060.00915.92
5.6.380.0000.01016.09
5.6.370.0030.00916.29
5.6.360.0060.00916.17
5.6.350.0060.00915.86
5.6.340.0030.01015.86
5.6.330.0030.01015.74
5.6.320.0030.01015.70
5.6.310.0060.00616.04
5.6.300.0040.01215.91
5.6.290.0060.00915.92
5.6.280.0030.01416.17
5.6.270.0030.01315.97
5.6.260.0040.01416.08
5.6.250.0070.00715.96
5.6.240.0070.01015.76
5.6.230.0070.00715.93
5.6.220.0030.01015.96
5.6.210.0100.00616.11
5.6.200.0000.01516.01
5.6.190.0100.00316.04
5.6.180.0030.01015.80
5.6.170.0030.00615.86
5.6.160.0000.01415.98
5.6.150.0070.00715.79
5.6.140.0030.01016.04
5.6.130.0030.01016.19
5.6.120.0040.00815.98
5.6.110.0090.00316.23
5.6.100.0040.01115.75
5.6.90.0120.00315.95
5.6.80.0080.00415.96
5.6.70.0050.00515.96
5.6.60.0070.00715.98
5.6.50.0070.01015.80
5.6.40.0070.01015.80
5.6.30.0000.01615.81
5.6.20.0110.00016.03
5.6.10.0070.00715.75
5.6.00.0030.00615.92

preferences:
65.04 ms | 401 KiB | 5 Q