3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['foo' =>[]]; var_dump($arr['foo'][] = ['bar' =>0]);

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)
8.3.60.0060.00816.38
8.3.50.0120.00616.38
8.3.40.0030.01018.69
8.3.30.0090.00618.72
8.3.20.0000.00720.18
8.3.10.0040.00421.82
8.3.00.0070.00017.91
8.2.180.0070.01016.63
8.2.170.0070.01022.96
8.2.160.0090.00620.38
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0080.00020.90
8.2.120.0000.00826.35
8.2.110.0050.00520.45
8.2.100.0000.01117.78
8.2.90.0000.00819.05
8.2.80.0000.00817.97
8.2.70.0000.01117.48
8.2.60.0000.00818.05
8.2.50.0000.00718.10
8.2.40.0050.00322.33
8.2.30.0040.00419.19
8.2.20.0030.00517.98
8.2.10.0040.00417.90
8.2.00.0070.00017.87
8.1.280.0110.00425.92
8.1.270.0050.00324.04
8.1.260.0070.00026.35
8.1.250.0000.00828.09
8.1.240.0070.00322.04
8.1.230.0040.00817.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0080.00017.10
8.1.180.0000.00818.10
8.1.170.0090.00018.53
8.1.160.0000.00718.97
8.1.150.0000.00820.61
8.1.140.0040.00419.51
8.1.130.0070.00018.87
8.1.120.0000.00717.39
8.1.110.0050.00317.32
8.1.100.0000.00717.29
8.1.90.0040.00417.39
8.1.80.0000.00717.30
8.1.70.0030.00517.43
8.1.60.0040.00417.43
8.1.50.0000.00717.39
8.1.40.0030.00617.36
8.1.30.0030.00517.55
8.1.20.0080.00017.61
8.1.10.0080.00017.32
8.1.00.0030.00517.40
8.0.300.0060.00318.77
8.0.290.0080.00016.63
8.0.280.0030.00318.25
8.0.270.0000.00917.19
8.0.260.0030.00316.69
8.0.250.0000.00716.77
8.0.240.0070.00316.77
8.0.230.0070.00016.93
8.0.220.0000.00716.84
8.0.210.0030.00316.86
8.0.200.0000.00716.77
8.0.190.0050.00316.91
8.0.180.0030.00516.84
8.0.170.0000.00716.92
8.0.160.0040.00416.85
8.0.150.0040.00416.61
8.0.140.0040.00416.79
8.0.130.0000.00613.19
8.0.120.0000.00816.76
8.0.110.0000.00716.69
8.0.100.0040.00416.89
8.0.90.0070.00016.85
8.0.80.0120.00416.80
8.0.70.0000.00716.70
8.0.60.0070.00016.83
8.0.50.0000.00716.74
8.0.30.0090.00617.04
8.0.20.0100.01017.40
8.0.10.0000.00716.73
8.0.00.0140.00416.89
7.4.330.0000.00615.55
7.4.320.0070.00016.52
7.4.300.0030.00316.35
7.4.290.0070.00316.48
7.4.280.0040.00416.44
7.4.270.0030.00316.46
7.4.260.0030.00313.28
7.4.250.0040.00416.43
7.4.240.0000.00716.35
7.4.230.0000.00716.33
7.4.220.0090.01916.46
7.4.210.0040.01116.57
7.4.200.0070.00016.29
7.4.160.0110.00516.49
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0180.00416.27
7.4.120.0110.00916.30
7.4.110.0070.01016.43
7.4.100.0090.00916.23
7.4.90.0140.00716.50
7.4.80.0030.01619.39
7.4.70.0130.00316.24
7.4.60.0040.01116.47
7.4.50.0030.01016.55
7.4.40.0090.00916.43
7.4.30.0100.00716.37
7.4.10.0030.01614.59
7.4.00.0070.01114.93
7.3.330.0000.00613.02
7.3.320.0000.00513.10
7.3.310.0000.00716.26
7.3.300.0040.00416.21
7.3.290.0080.00516.22
7.3.280.0100.00616.29
7.3.270.0130.00417.40
7.3.260.0060.01116.26
7.3.250.0090.00916.41
7.3.240.0080.00816.39
7.3.230.0140.00516.17
7.3.210.0070.01016.48
7.3.200.0060.00916.35
7.3.190.0040.01216.57
7.3.180.0040.01316.50
7.3.170.0060.01016.49
7.3.160.0070.01016.25
7.3.130.0060.01214.91
7.3.120.0070.01014.83
7.3.110.0080.00914.76
7.3.100.0100.00514.75
7.3.90.0030.01014.91
7.3.80.0070.00614.74
7.3.70.0050.00914.69
7.3.60.0070.00714.88
7.3.50.0070.00814.85
7.3.40.0040.00814.66
7.3.30.0080.00514.77
7.3.20.0050.00816.70
7.3.10.0090.00616.44
7.3.00.0060.00616.46
7.2.330.0060.01416.67
7.2.320.0140.00816.56
7.2.310.0100.00616.32
7.2.300.0120.00616.54
7.2.290.0060.00916.45
7.2.260.0120.00415.08
7.2.250.0130.00514.95
7.2.240.0030.01314.88
7.2.230.0070.00714.94
7.2.220.0080.00814.91
7.2.210.0060.01014.80
7.2.200.0030.00814.84
7.2.190.0080.00614.79
7.2.180.0020.00915.07
7.2.170.0050.00714.83
7.2.160.0050.01014.87
7.2.150.0050.00916.64
7.2.140.0030.00916.94
7.2.130.0070.00916.67
7.2.120.0060.01116.62
7.2.110.0030.00916.80
7.2.100.0050.00916.81
7.2.90.0050.00916.87
7.2.80.0020.01316.57
7.2.70.0020.01216.97
7.2.60.0070.00716.79
7.2.50.0050.00816.82
7.2.40.0030.01316.63
7.2.30.0050.01016.78
7.2.20.0060.00716.77
7.2.10.0080.00716.78
7.2.00.0070.00817.64
7.1.330.0030.01215.58
7.1.320.0070.00715.69
7.1.310.0070.00715.59
7.1.300.0070.00715.63
7.1.290.0050.00615.89
7.1.280.0060.00715.63
7.1.270.0090.00315.72
7.1.260.0070.00715.64
7.1.250.0060.00915.56
7.1.240.0110.00615.56
7.1.230.0000.01315.77
7.1.220.0060.00615.55
7.1.210.0100.00315.78
7.1.200.0060.00815.76
7.1.190.0080.00515.58
7.1.180.0050.01015.54
7.1.170.0030.00815.79
7.1.160.0080.00615.68
7.1.150.0110.00315.82
7.1.140.0040.00615.66
7.1.130.0040.00815.50
7.1.120.0070.00815.74
7.1.110.0020.00815.81
7.1.100.0060.00716.48
7.1.90.0070.00915.67
7.1.80.0050.00815.67
7.1.70.0020.01016.29
7.1.60.0110.00922.15
7.1.50.0120.01022.09
7.1.40.0080.00921.88
7.1.30.0070.01021.84
7.1.20.0110.00921.92
7.1.10.0060.01015.89
7.1.00.0070.01016.02
7.0.330.0030.00815.22
7.0.320.0050.00815.49
7.0.310.0070.00715.39
7.0.300.0050.00715.40
7.0.290.0070.00915.22
7.0.280.0050.00715.36
7.0.270.0070.00515.29
7.0.260.0100.00415.42
7.0.250.0040.01115.49
7.0.240.0050.00515.31
7.0.230.0070.00715.23
7.0.220.0080.00715.22
7.0.210.0060.00515.26
7.0.200.0060.01015.86
7.0.190.0070.00815.76
7.0.180.0070.00815.76
7.0.170.0040.00815.60
7.0.160.0010.01315.71
7.0.150.0050.01015.55
7.0.140.0030.01215.75
7.0.130.0040.00915.66
7.0.120.0020.01115.72
7.0.110.0030.00815.70
7.0.100.0030.01115.72
7.0.90.0070.00815.65
7.0.80.0040.01115.59
7.0.70.0030.01015.55
7.0.60.0070.00615.43
7.0.50.0020.01215.62
7.0.40.0020.01314.35
7.0.30.0040.00814.24
7.0.20.0060.00714.45
7.0.10.0020.01114.22
7.0.00.0020.01214.27
5.6.400.0070.00714.40
5.6.390.0050.00814.42
5.6.380.0030.01014.38
5.6.370.0070.00414.08
5.6.360.0080.00514.20
5.6.350.0060.00714.37
5.6.340.0060.01114.45
5.6.330.0060.01014.29
5.6.320.0030.01014.48
5.6.310.0050.00714.38
5.6.300.0080.00514.48
5.6.290.0030.01114.24
5.6.280.0100.00714.20
5.6.270.0080.00514.32
5.6.260.0060.00614.18
5.6.250.0060.00914.23
5.6.240.0060.00414.21
5.6.230.0100.00514.38
5.6.220.0040.00914.29
5.6.210.0090.00614.25
5.6.200.0110.00514.29
5.6.190.0050.01114.31
5.6.180.0080.00214.35
5.6.170.0060.00614.43
5.6.160.0030.00814.21
5.6.150.0070.00914.37
5.6.140.0080.00814.28
5.6.130.0060.00814.33
5.6.120.0090.00514.35
5.6.110.0080.00714.50
5.6.100.0050.01014.22
5.6.90.0070.00414.21
5.6.80.0060.00614.28
5.6.70.0020.00914.23
5.6.60.0050.00514.21
5.6.50.0040.00914.11
5.6.40.0080.00314.36
5.6.30.0050.00814.35
5.6.20.0080.00314.18
5.6.10.0060.00614.26
5.6.00.0060.00614.19

preferences:
47.93 ms | 400 KiB | 5 Q