3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ''; $arr['a'] = 'test'; var_dump($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)
8.3.70.0110.00418.30
8.3.60.0120.00616.88
8.3.50.0080.01022.15
8.3.40.0070.00718.75
8.3.30.0100.00318.80
8.3.20.0000.00820.33
8.3.10.0080.00023.68
8.3.00.0040.00422.42
8.2.190.0070.00718.54
8.2.180.0110.01118.21
8.2.170.0100.00722.96
8.2.160.0110.00419.46
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0000.00822.13
8.2.120.0070.00026.35
8.2.110.0000.00919.11
8.2.100.0070.00417.84
8.2.90.0040.00419.17
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0060.00317.89
8.2.50.0030.00518.10
8.2.40.0040.00420.64
8.2.30.0000.00719.11
8.2.20.0050.00217.74
8.2.10.0000.00718.16
8.2.00.0070.00017.82
8.1.280.0110.00325.92
8.1.270.0040.00423.58
8.1.260.0040.00428.09
8.1.250.0070.00728.09
8.1.240.0040.00421.00
8.1.230.0070.00320.97
8.1.220.0030.00517.79
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0080.00018.58
8.1.160.0050.00222.09
8.1.150.0000.00818.93
8.1.140.0070.00019.61
8.1.130.0030.00317.61
8.1.120.0000.00717.47
8.1.110.0050.00217.39
8.1.100.0030.00517.42
8.1.90.0020.00517.40
8.1.80.0000.00817.43
8.1.70.0000.00717.37
8.1.60.0000.00917.59
8.1.50.0080.00017.54
8.1.40.0030.00917.47
8.1.30.0050.00317.51
8.1.20.0000.00817.51
8.1.10.0050.00317.56
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.48
8.0.270.0030.00317.23
8.0.260.0030.00317.25
8.0.250.0070.00017.00
8.0.240.0030.00316.92
8.0.230.0000.00716.98
8.0.220.0030.00316.94
8.0.210.0000.00716.91
8.0.200.0050.00317.02
8.0.190.0070.00016.89
8.0.180.0000.00717.00
8.0.170.0000.00816.88
8.0.160.0080.00016.99
8.0.150.0000.00716.76
8.0.140.0030.00316.80
8.0.130.0030.00313.30
8.0.120.0050.00316.80
8.0.110.0000.00816.86
8.0.100.0070.00016.84
8.0.90.0070.00016.93
8.0.80.0030.01216.94
8.0.70.0000.00716.93
8.0.60.0040.00417.01
8.0.50.0040.00416.90
8.0.30.0100.01017.10
8.0.20.0090.01117.40
8.0.10.0040.00416.87
8.0.00.0130.00316.99
7.4.330.0050.00015.10
7.4.320.0030.00316.41
7.4.300.0030.00316.41
7.4.290.0000.00716.44
7.4.280.0000.00716.43
7.4.270.0030.00316.62
7.4.260.0000.00716.50
7.4.250.0000.00716.37
7.4.240.0070.00016.57
7.4.230.0000.00716.34
7.4.220.0160.00616.66
7.4.210.0060.01516.57
7.4.200.0000.00816.61
7.4.150.0130.01017.40
7.4.140.0110.00717.86
7.4.130.0150.00616.60
7.4.120.0080.00816.51
7.4.110.0100.00716.43
7.4.100.0140.00416.52
7.4.90.0110.00816.40
7.4.80.0100.00719.39
7.4.70.0130.00316.54
7.4.60.0110.00716.59
7.4.50.0070.00716.27
7.4.40.0070.01016.65
7.4.30.0080.01416.53
7.4.10.0060.01014.79
7.4.00.0080.01015.09
7.3.330.0050.00013.06
7.3.320.0000.00513.30
7.3.310.0030.00516.34
7.3.300.0000.00616.36
7.3.290.0050.00916.33
7.3.280.0120.00716.25
7.3.270.0170.00717.40
7.3.260.0100.00916.55
7.3.250.0070.01216.40
7.3.240.0070.01116.23
7.3.230.0140.00416.61
7.3.210.0210.00416.47
7.3.200.0090.00916.44
7.3.190.0060.01016.25
7.3.180.0070.01416.33
7.3.170.0030.01316.64
7.3.160.0060.01616.26
7.3.130.0080.01214.49
7.3.120.0090.00714.65
7.3.110.0080.01014.86
7.3.100.0050.00714.92
7.3.90.0040.00814.78
7.3.80.0070.00815.01
7.3.70.0020.01114.54
7.3.60.0070.00614.88
7.3.50.0090.00714.87
7.3.40.0020.00814.90
7.3.30.0030.01014.87
7.3.20.0060.00816.65
7.3.10.0060.00816.76
7.3.00.0060.00916.70
7.2.330.0120.00616.42
7.2.320.0130.00916.56
7.2.310.0070.01016.61
7.2.300.0070.01016.32
7.2.290.0130.00316.15
7.2.260.0040.01514.90
7.2.250.0000.01915.02
7.2.240.0070.01114.85
7.2.230.0080.00614.88
7.2.220.0080.00815.03
7.2.210.0020.01114.72
7.2.200.0070.00714.68
7.2.190.0030.00814.75
7.2.180.0100.00514.95
7.2.170.0030.00914.85
7.2.160.0030.01414.82
7.2.150.0030.01216.91
7.2.140.0110.00316.73
7.2.130.0050.00816.73
7.2.120.0070.00716.87
7.2.110.0040.01416.84
7.2.100.0030.01016.95
7.2.90.0040.01116.80
7.2.80.0040.00416.87
7.2.70.0060.00616.70
7.2.60.0070.00616.40
7.2.50.0030.01016.36
7.2.40.0000.01416.71
7.2.30.0150.00016.71
7.2.20.0080.00416.83
7.2.10.0060.01017.02
7.2.00.0000.01117.97
7.1.330.0070.00715.75
7.1.320.0070.00615.73
7.1.310.0050.00515.61
7.1.300.0000.01115.89
7.1.290.0030.00915.79
7.1.280.0060.00615.68
7.1.270.0060.00815.79
7.1.260.0070.00515.80
7.1.250.0030.01015.72
7.1.240.0060.00915.80
7.1.230.0100.00315.88
7.1.220.0090.00315.86
7.1.210.0030.01015.65
7.1.200.0070.00815.60
7.1.190.0030.01015.73
7.1.180.0030.01015.94
7.1.170.0040.00715.90
7.1.160.0110.00015.52
7.1.150.0040.00415.61
7.1.140.0000.01215.69
7.1.130.0000.01315.91
7.1.120.0070.00315.93
7.1.110.0040.00715.88
7.1.100.0060.00616.79
7.1.90.0040.01215.87
7.1.80.0090.00615.89
7.1.70.0070.00416.47
7.1.60.0090.00916.58
7.1.50.0050.00716.41
7.1.40.0070.00715.63
7.1.30.0030.01315.39
7.1.20.0090.00315.86
7.1.10.0030.01015.64
7.1.00.0050.04019.13
7.0.330.0030.00515.29
7.0.320.0000.00915.44
7.0.310.0000.00815.00
7.0.300.0040.00415.34
7.0.290.0070.00715.57
7.0.280.0050.00515.34
7.0.270.0060.00615.22
7.0.260.0110.00415.19
7.0.250.0000.00915.39
7.0.240.0040.00415.54
7.0.230.0030.00815.50
7.0.220.0070.00715.44
7.0.210.0030.00615.38
7.0.200.0090.00315.12
7.0.190.0060.00315.21
7.0.180.0030.00715.57
7.0.170.0060.00615.51
7.0.160.0000.01115.38
7.0.150.0030.01015.48
7.0.140.0030.00715.39
7.0.130.0030.00715.48
7.0.120.0030.01215.27
7.0.110.0000.01715.37
7.0.100.1730.03217.67
7.0.90.0200.02517.84
7.0.80.0200.03817.59
7.0.70.0140.03217.59
7.0.60.0250.03617.57
7.0.50.0250.03917.95
7.0.40.0180.03516.95
7.0.30.0200.03616.92
7.0.20.0250.03316.95
7.0.10.0190.03516.99
7.0.00.0280.04016.82
5.6.400.0000.00814.21
5.6.390.0070.01014.30
5.6.380.0030.00914.61
5.6.370.0000.01514.58
5.6.360.0080.00814.31
5.6.350.0060.00614.41
5.6.340.0080.00614.38
5.6.330.0040.00414.20
5.6.320.0000.01414.46
5.6.310.0030.01114.29
5.6.300.0000.01514.50
5.6.290.0040.01114.34
5.6.280.0000.01214.25
5.6.270.0040.00414.64
5.6.260.0120.00014.41
5.6.250.0080.03417.57
5.6.240.0130.02717.40
5.6.230.0080.03317.47
5.6.220.0060.03117.50
5.6.210.0150.03417.49
5.6.200.0080.03517.72
5.6.190.0050.03917.67
5.6.180.0100.03017.74
5.6.170.0100.03317.74
5.6.160.0070.03917.72
5.6.150.0120.03817.74
5.6.140.0150.02717.60
5.6.130.0050.03717.66
5.6.120.0080.03317.72
5.6.110.0100.03517.71
5.6.100.0070.03517.59
5.6.90.0100.03417.76
5.6.80.0110.04417.27
5.6.70.0080.03517.45
5.6.60.0100.02517.36
5.6.50.0080.02817.33
5.6.40.0120.02917.33
5.6.30.0070.03317.16
5.6.20.0090.03417.31
5.6.10.0130.02517.23
5.6.00.0030.03817.33

preferences:
19.26 ms | 401 KiB | 5 Q