3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = [0 => 'a', '1' => 'b']; echo $t[0]; echo $t['0']; echo $t[1]; echo $t['1'];

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)
8.3.60.0100.00716.75
8.3.50.0150.00017.85
8.3.40.0110.00318.50
8.3.30.0140.00418.71
8.3.20.0070.00020.13
8.3.10.0080.00020.46
8.3.00.0070.00020.44
8.2.180.0060.01518.23
8.2.170.0100.00322.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00319.36
8.2.120.0040.00426.35
8.2.110.0090.00020.38
8.2.100.0090.00317.78
8.2.90.0090.00019.39
8.2.80.0040.00417.97
8.2.70.0000.00817.75
8.2.60.0050.00317.91
8.2.50.0000.00918.09
8.2.40.0000.00720.28
8.2.30.0000.00719.54
8.2.20.0000.00717.73
8.2.10.0040.00417.98
8.2.00.0070.00018.03
8.1.280.0140.00325.92
8.1.270.0060.00323.66
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0090.00322.02
8.1.230.0060.00620.92
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0060.00317.00
8.1.190.0080.00017.23
8.1.180.0030.00518.10
8.1.170.0040.00418.41
8.1.160.0000.00922.54
8.1.150.0000.00718.86
8.1.140.0000.00719.38
8.1.130.0000.00717.54
8.1.120.0050.00317.29
8.1.110.0000.00717.37
8.1.100.0040.00417.27
8.1.90.0080.00017.33
8.1.80.0000.00717.42
8.1.70.0000.00717.41
8.1.60.0080.00017.39
8.1.50.0040.00417.37
8.1.40.0040.00417.34
8.1.30.0040.00417.37
8.1.20.0080.00017.52
8.1.10.0000.00817.46
8.1.00.0030.00517.48
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00518.35
8.0.270.0030.00317.21
8.0.260.0070.00017.27
8.0.250.0000.00616.86
8.0.240.0100.00016.95
8.0.230.0040.00416.84
8.0.220.0000.00716.73
8.0.210.0030.00316.88
8.0.200.0000.00616.91
8.0.190.0040.00716.83
8.0.180.0040.00316.85
8.0.170.0050.00216.82
8.0.160.0000.00716.83
8.0.150.0040.00416.81
8.0.140.0000.00716.74
8.0.130.0030.00313.26
8.0.120.0090.00016.73
8.0.110.0000.00716.73
8.0.100.0050.00316.64
8.0.90.0000.00716.82
8.0.80.0090.00616.80
8.0.70.0020.00516.62
8.0.60.0040.00416.86
8.0.50.0000.00816.79
8.0.30.0100.00917.11
8.0.20.0090.01017.40
8.0.10.0000.00716.81
8.0.00.0090.01016.88
7.4.330.0050.00016.69
7.4.320.0060.00316.57
7.4.300.0000.00616.43
7.4.290.0000.00716.43
7.4.280.0080.00016.43
7.4.270.0030.00316.36
7.4.260.0030.00316.50
7.4.250.0000.00716.30
7.4.240.0040.00416.40
7.4.230.0000.00716.31
7.4.220.0030.01916.57
7.4.210.0090.01016.48
7.4.200.0040.00416.47
7.4.160.0070.01416.61
7.4.150.0090.00917.40
7.4.140.0100.00817.86
7.4.130.0100.00616.50
7.4.120.0100.00816.38
7.4.110.0110.01116.32
7.4.100.0000.02316.72
7.4.90.0070.01016.52
7.4.80.0000.02119.39
7.4.70.0070.00916.41
7.4.60.0080.00816.43
7.4.50.0030.00816.48
7.4.40.0120.00916.61
7.4.30.0110.00516.55
7.4.10.0040.01414.98
7.4.00.0090.00914.93
7.3.330.0000.00512.95
7.3.320.0030.00312.95
7.3.310.0000.00716.04
7.3.300.0030.00316.18
7.3.290.0000.00716.12
7.3.280.0080.00716.22
7.3.270.0130.00617.40
7.3.260.0120.01216.21
7.3.250.0120.00816.28
7.3.240.0110.00516.31
7.3.230.0040.01216.39
7.3.210.0140.00316.64
7.3.200.0080.01416.37
7.3.190.0160.00016.37
7.3.180.0110.00516.18
7.3.170.0100.00716.59
7.3.160.0110.00516.43
7.3.130.0150.00314.68
7.3.120.0090.00914.78
7.3.110.0080.00714.60
7.3.100.0100.00614.78
7.3.90.0060.00714.61
7.3.80.0090.00414.47
7.3.70.0080.00714.67
7.3.60.0070.00614.62
7.3.50.0060.00814.67
7.3.40.0070.00514.55
7.3.30.0050.01114.77
7.3.20.0070.00616.66
7.3.10.0060.00816.68
7.3.00.0050.00916.71
7.2.330.0070.01016.51
7.2.320.0110.00616.63
7.2.310.0060.01616.38
7.2.300.0100.00716.64
7.2.290.0060.01616.46
7.2.260.0080.00814.98
7.2.250.0070.01115.04
7.2.240.0110.00614.93
7.2.230.0080.00715.05
7.2.220.0070.00915.08
7.2.210.0050.00715.15
7.2.200.0100.00315.03
7.2.190.0030.01215.00
7.2.180.0040.00814.94
7.2.170.0070.00515.00
7.2.160.0060.00814.94
7.2.150.0080.00616.79
7.2.140.0050.01116.86
7.2.130.0050.00916.86
7.2.120.0010.01016.83
7.2.110.0030.00916.84
7.2.100.0130.00216.80
7.2.90.0030.00916.84
7.2.80.0080.00716.84
7.2.70.0050.01016.94
7.2.60.0060.00916.72
7.2.50.0120.00316.80
7.2.40.0030.00716.88
7.2.30.0050.00816.88
7.2.20.0020.01016.85
7.2.10.0050.01016.91
7.2.00.0050.00817.71
7.1.330.0090.00515.54
7.1.320.0050.01015.74
7.1.310.0070.00715.78
7.1.300.0050.00715.53
7.1.290.0010.01315.64
7.1.280.0060.00915.67
7.1.270.0050.00915.52
7.1.260.0070.00515.69
7.1.250.0020.01015.66
7.1.240.0060.01015.73
7.1.230.0000.00915.64
7.1.220.0120.00015.46
7.1.210.0060.01115.58
7.1.200.0130.00215.48
7.1.190.0030.01015.61
7.1.180.0050.00515.59
7.1.170.0000.01415.36
7.1.160.0070.00415.51
7.1.150.0110.00315.51
7.1.140.0030.00915.84
7.1.130.0100.00315.72
7.1.120.0070.00715.53
7.1.110.0040.00715.82
7.1.100.0080.00416.81
7.1.90.0060.00915.54
7.1.80.0030.01015.61
7.1.70.0020.00816.41
7.1.60.0090.00216.30
7.1.50.0060.00315.37
7.1.40.0060.00915.30
7.1.30.0060.00615.80
7.1.20.0000.00915.48
7.1.10.0080.00015.61
7.1.00.0040.04418.98
7.0.330.0100.00715.37
7.0.320.0000.01015.15
7.0.310.0100.00315.22
7.0.300.0060.00615.39
7.0.290.0030.00715.31
7.0.280.0040.00415.34
7.0.270.0080.00414.99
7.0.260.0080.00315.05
7.0.250.0070.00415.50
7.0.240.0090.00315.42
7.0.230.0040.00415.09
7.0.220.0000.01315.20
7.0.210.0030.00915.32
7.0.200.0070.00516.09
7.0.190.0030.00515.54
7.0.180.0040.00815.52
7.0.170.0120.00015.33
7.0.160.0050.00515.48
7.0.150.0030.00815.42
7.0.140.0030.01015.12
7.0.130.0070.00315.08
7.0.120.0030.00715.45
7.0.110.0060.00615.24
7.0.100.0090.00615.46
7.0.90.0030.00815.37
7.0.80.0040.00415.57
7.0.70.0060.00615.30
7.0.60.0120.03218.65
7.0.50.0050.04816.50
7.0.40.0050.04116.87
7.0.30.0120.03016.65
7.0.20.0150.03816.55
7.0.10.0040.02316.92
7.0.00.0060.02116.82
5.6.400.0090.00014.61
5.6.390.0040.01114.52
5.6.380.0060.00314.40
5.6.370.0060.00914.54
5.6.360.0130.00014.35
5.6.350.0110.00414.58
5.6.340.0000.00914.45
5.6.330.0080.00814.35
5.6.320.0080.00814.35
5.6.310.0070.00714.47
5.6.300.0000.01214.67
5.6.290.0070.00714.58
5.6.280.0010.03917.64
5.6.270.0090.00314.14
5.6.260.0030.00614.07
5.6.250.0060.00614.46
5.6.240.0030.01314.43
5.6.230.0040.01114.14
5.6.220.0030.00714.62
5.6.210.0050.02817.65
5.6.200.0080.04316.33
5.6.190.0070.04417.33
5.6.180.0190.03617.19
5.6.170.0230.04017.39
5.6.160.0080.02217.39
5.6.150.0070.03016.16
5.6.140.0050.04316.32
5.6.130.0060.04516.43
5.6.120.0060.04617.64
5.6.110.0060.04517.66
5.6.100.0110.04117.78
5.6.90.0060.04517.77
5.6.80.0080.03117.28
5.6.70.0110.00314.34
5.6.60.0040.00714.36
5.6.50.0030.00514.56
5.6.40.0030.01014.13
5.6.30.0090.00914.25
5.6.20.0120.00614.23
5.6.10.0030.00714.32
5.6.00.0060.00614.44
5.5.380.0060.00914.52
5.5.370.0000.01614.21
5.5.360.0000.01114.34
5.5.350.0180.04217.30
5.5.340.0050.02316.15
5.5.330.0140.03717.32
5.5.320.0180.03017.29
5.5.310.0130.03317.30
5.5.300.0050.04716.15
5.5.290.0050.03916.11
5.5.280.0050.02617.43
5.5.270.0100.04017.50
5.5.260.0050.04417.36
5.5.250.0070.03217.23
5.5.240.0100.04517.31
5.5.230.0080.00413.87
5.5.220.0030.00914.32
5.5.210.0040.00714.21
5.5.200.0070.01014.19
5.5.190.0090.00614.23
5.5.180.0040.00714.07
5.5.170.0030.00714.42
5.5.160.0000.01114.07
5.5.150.0000.01314.39
5.5.140.0030.01014.13
5.5.130.0070.00314.05
5.5.120.0060.00614.14
5.5.110.0080.00414.27
5.5.100.0110.00014.21
5.5.90.0060.00614.07
5.5.80.0030.00914.39
5.5.70.0130.00014.25
5.5.60.0080.00314.50
5.5.50.0070.00414.18
5.5.40.0030.00614.33
5.5.30.0060.00913.96
5.5.20.0030.00914.27
5.5.10.0070.00714.22
5.5.00.0060.00314.27

preferences:
65.81 ms | 401 KiB | 5 Q