3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [[1, 2], [1, 2]]; $a["b"] = [1, 3]; $a["a"] = [1, 3]; $a[5] = [1, 3]; $b = "1"; if (strlen($b)) echo "1\n\n\n"; array_unshift($a, [3, 4]); print_r($a);

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)
8.3.60.0120.00316.50
8.3.50.0140.00016.23
8.3.40.0080.00618.79
8.3.30.0090.00618.61
8.3.20.0080.00020.16
8.3.10.0080.00021.76
8.3.00.0050.00321.85
8.2.180.0070.01118.31
8.2.170.0140.00322.96
8.2.160.0050.00918.96
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0000.00721.00
8.2.120.0040.00426.35
8.2.110.0060.00321.03
8.2.100.0120.00017.97
8.2.90.0080.00019.34
8.2.80.0040.00418.03
8.2.70.0000.01117.38
8.2.60.0080.00017.99
8.2.50.0050.00318.10
8.2.40.0000.00820.20
8.2.30.0000.00820.94
8.2.20.0040.00417.98
8.2.10.0040.00418.05
8.2.00.0070.00018.08
8.1.280.0080.00825.92
8.1.270.0030.00622.14
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.82
8.1.230.0110.00019.23
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0000.01017.23
8.1.190.0040.00417.00
8.1.180.0050.00318.10
8.1.170.0080.00018.53
8.1.160.0040.00419.02
8.1.150.0000.00820.48
8.1.140.0000.00819.47
8.1.130.0030.00318.74
8.1.120.0000.00717.42
8.1.110.0050.00317.34
8.1.100.0000.00717.36
8.1.90.0030.00417.34
8.1.80.0050.00217.41
8.1.70.0040.00417.41
8.1.60.0050.00317.48
8.1.50.0000.00817.45
8.1.40.0030.00517.41
8.1.30.0040.00417.48
8.1.20.0060.00317.61
8.1.10.0000.00817.55
8.1.00.0000.00817.43
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.49
8.0.270.0000.00717.14
8.0.260.0000.00616.81
8.0.250.0030.00316.78
8.0.240.0040.00416.89
8.0.230.0000.00716.83
8.0.220.0070.00016.83
8.0.210.0000.00816.71
8.0.200.0030.00316.91
8.0.190.0050.00316.86
8.0.180.0040.00416.73
8.0.170.0070.00016.89
8.0.160.0070.00316.84
8.0.150.0000.00716.69
8.0.140.0030.00516.80
8.0.130.0060.00013.34
8.0.120.0040.00416.80
8.0.110.0030.00616.79
8.0.100.0020.00516.65
8.0.90.0040.00416.83
8.0.80.0090.00816.75
8.0.70.0000.00716.78
8.0.60.0040.00416.86
8.0.50.0040.00416.88
8.0.30.0050.01317.04
8.0.20.0100.00917.40
8.0.10.0040.00416.89
8.0.00.0140.00316.89
7.4.330.0000.00515.55
7.4.320.0030.00316.36
7.4.300.0060.00016.52
7.4.290.0070.00016.47
7.4.280.0080.00016.52
7.4.270.0030.00316.40
7.4.260.0040.00416.53
7.4.250.0000.00816.52
7.4.240.0000.00716.47
7.4.230.0050.00316.32
7.4.220.0070.01016.49
7.4.210.0110.00516.54
7.4.200.0000.00816.27
7.4.160.0080.00816.55
7.4.150.0090.00917.40
7.4.140.0090.01117.86
7.4.130.0160.00316.56
7.4.120.0090.01116.39
7.4.110.0040.01416.54
7.4.100.0150.00316.66
7.4.90.0090.00916.56
7.4.80.0030.01319.39
7.4.70.0100.00616.49
7.4.60.0100.00616.61
7.4.50.0090.00616.50
7.4.40.0130.00316.35
7.4.30.0140.00916.56
7.4.00.0040.01214.97
7.3.330.0050.00013.05
7.3.320.0000.00513.10
7.3.310.0030.00616.27
7.3.300.0030.00316.20
7.3.290.0000.00716.18
7.3.280.0080.01216.19
7.3.270.0130.00417.40
7.3.260.0140.00916.38
7.3.250.0120.00916.29
7.3.240.0080.01516.59
7.3.230.0120.00916.35
7.3.210.0140.00316.41
7.3.200.0100.00816.29
7.3.190.0030.01316.19
7.3.180.0090.01216.38
7.3.170.0040.01116.14
7.3.160.0100.00716.46
7.3.120.0070.00715.00
7.3.110.0120.00614.73
7.3.100.0070.01114.63
7.3.90.0030.01014.77
7.3.80.0060.00914.45
7.3.70.0060.00914.86
7.3.60.0030.01014.75
7.3.50.0140.00014.66
7.3.40.0090.00614.82
7.3.30.0070.01014.79
7.3.20.0000.01416.57
7.3.10.0070.00716.59
7.3.00.0040.00716.55
7.2.330.0110.00616.38
7.2.320.0080.00816.51
7.2.310.0030.01316.42
7.2.300.0090.00916.51
7.2.290.0100.01016.50
7.2.250.0030.01315.13
7.2.240.0090.00914.80
7.2.230.0120.00414.71
7.2.220.0000.01515.01
7.2.210.0120.00615.10
7.2.200.0070.01014.90
7.2.190.0080.00315.09
7.2.180.0040.01115.00
7.2.170.0090.00314.96
7.2.160.0040.01114.65
7.2.150.0000.00916.70
7.2.140.0030.01316.98
7.2.130.0070.00716.53
7.2.120.0070.01016.86
7.2.110.0080.00416.74
7.2.100.0120.00616.88
7.2.90.0040.01116.61
7.2.80.0110.00016.59
7.2.70.0150.00016.86
7.2.60.0080.00816.79
7.2.50.0030.01316.64
7.2.40.0060.01216.55
7.2.30.0040.01116.82
7.2.20.0030.01216.85
7.2.10.0090.00616.95
7.2.00.0050.00617.89
7.1.330.0120.00615.75
7.1.320.0040.00815.95
7.1.310.0070.01115.83
7.1.300.0040.01215.82
7.1.290.0000.01415.77
7.1.280.0080.00015.71
7.1.270.0040.01115.80
7.1.260.0030.01015.84
7.1.250.0080.00015.43
7.1.240.0040.01115.71
7.1.230.0100.00315.69
7.1.220.0040.01215.62
7.1.210.0030.01315.56
7.1.200.0020.01015.67
7.1.190.0080.00315.73
7.1.180.0030.01515.82
7.1.170.0070.01015.67
7.1.160.0030.01215.87
7.1.150.0060.00815.80
7.1.140.0080.00815.79
7.1.130.0040.01115.72
7.1.120.0030.01015.78
7.1.110.0120.00015.58
7.1.100.0090.00616.92
7.1.90.0030.01115.92
7.1.80.0070.00415.68
7.1.70.0080.01016.38
7.1.60.0250.00925.47
7.1.50.0230.00825.23
7.1.40.0210.01225.07
7.1.30.0110.01525.11
7.1.20.0180.01225.16
7.1.10.0100.00816.04
7.1.00.0080.01016.13
7.0.330.0030.01215.46
7.0.320.0060.01015.64
7.0.310.0060.00615.54
7.0.300.0080.00815.49
7.0.290.0120.00015.51
7.0.280.0040.00715.59
7.0.270.0070.00715.35
7.0.260.0040.01115.32
7.0.250.0070.00715.29
7.0.240.0060.00915.30
7.0.230.0040.00715.38
7.0.220.0060.00615.50
7.0.210.0130.00015.44
7.0.200.0130.00515.92
7.0.190.0100.00916.03
7.0.180.0090.00915.89
7.0.170.0080.00915.96
7.0.160.0090.00915.77
7.0.150.0090.00915.78
7.0.140.0050.01515.74
7.0.130.0170.00515.94
7.0.120.0210.00615.96
7.0.110.0080.01115.73
7.0.100.0110.00615.92
7.0.90.0130.00715.91
7.0.80.0050.01015.79
7.0.70.0090.00815.78
7.0.60.0090.00915.86
7.0.50.0120.00716.13
7.0.40.0110.00614.95
7.0.30.0070.00914.77
7.0.20.0030.01414.92
7.0.10.0040.01314.95
7.0.00.0110.00415.00
5.6.400.0070.01114.18
5.6.390.0120.00614.19
5.6.380.0130.00014.60
5.6.370.0120.00314.87
5.6.360.0110.00714.75
5.6.350.0120.00414.65
5.6.340.0080.00814.72
5.6.330.0040.00814.18
5.6.320.0070.00714.55
5.6.310.0070.00314.30
5.6.300.0060.01014.35
5.6.290.0110.00014.51
5.6.280.0000.01014.53
5.6.270.0050.00514.28
5.6.260.0000.00914.59
5.6.250.0060.00914.28
5.6.240.0080.00414.49
5.6.230.0040.00814.37
5.6.220.0070.00714.31
5.6.210.0000.01714.65
5.6.200.0000.01614.59
5.6.190.0070.00714.55
5.6.180.0030.01014.32
5.6.170.0000.01414.34
5.6.160.0000.01814.46
5.6.150.0030.01614.21
5.6.140.0070.01114.60
5.6.130.0060.01314.35
5.6.120.0030.01414.25
5.6.110.0000.00914.20
5.6.100.0000.01214.45
5.6.90.0000.01314.54
5.6.80.0070.00714.68
5.6.70.0040.01114.16
5.6.60.0060.01014.36
5.6.50.0070.00714.53
5.6.40.0070.01114.42
5.6.30.0070.01014.40
5.6.20.0080.00414.43
5.6.10.0000.01314.09
5.6.00.0060.00914.20

preferences:
35.82 ms | 401 KiB | 5 Q