3v4l.org

run code in 300+ PHP versions simultaneously
<?php $expected_array_got_string = 'test'; var_dump(isset($expected_array_got_string['blah'])); var_dump(isset($expected_array_got_string['jkjk'][0])); var_dump(isset($expected_array_got_string['jkjk'][0]['test'])); var_dump(isset($expected_array_got_string['jkjk']['test'][1])); var_dump(isset($expected_array_got_string['jkjk']['test'][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)
8.3.70.0130.00918.43
8.3.60.0110.00416.25
8.3.50.0090.01221.20
8.3.40.0100.00718.66
8.3.30.0110.00418.72
8.3.20.0000.00920.30
8.3.10.0040.00421.89
8.3.00.0070.00023.66
8.2.190.0110.00718.41
8.2.180.0110.00716.50
8.2.170.0110.00322.96
8.2.160.0070.01020.22
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0070.00020.95
8.2.120.0040.00426.35
8.2.110.0110.00022.12
8.2.100.0060.00617.78
8.2.90.0040.00419.16
8.2.80.0000.00817.97
8.2.70.0090.00017.63
8.2.60.0000.00717.93
8.2.50.0040.00418.09
8.2.40.0050.00322.37
8.2.30.0050.00219.34
8.2.20.0000.00817.79
8.2.10.0000.00817.95
8.2.00.0000.00817.90
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0060.00323.97
8.1.230.0070.00417.52
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0040.00417.13
8.1.190.0030.00617.09
8.1.180.0040.00418.10
8.1.170.0040.00418.46
8.1.160.0000.00720.70
8.1.150.0000.00920.53
8.1.140.0030.00519.55
8.1.130.0030.00317.55
8.1.120.0000.00717.43
8.1.110.0030.00517.43
8.1.100.0070.00017.29
8.1.90.0030.00317.44
8.1.80.0040.00717.36
8.1.70.0030.00317.38
8.1.60.0030.00617.49
8.1.50.0090.00017.50
8.1.40.0000.00817.44
8.1.30.0030.00517.56
8.1.20.0070.00017.61
8.1.10.0000.00817.54
8.1.00.0070.00017.57
8.0.300.0040.00418.77
8.0.290.0080.00016.74
8.0.280.0030.00318.22
8.0.270.0000.00717.18
8.0.260.0040.00417.12
8.0.250.0060.00016.82
8.0.240.0000.00716.88
8.0.230.0030.00316.77
8.0.220.0080.00016.86
8.0.210.0040.00416.81
8.0.200.0070.00016.82
8.0.190.0040.00416.75
8.0.180.0040.00416.83
8.0.170.0040.00416.91
8.0.160.0000.00816.78
8.0.150.0070.00016.64
8.0.140.0030.00316.79
8.0.130.0030.00313.23
8.0.120.0030.00516.80
8.0.110.0050.00316.74
8.0.100.0000.00716.70
8.0.90.0000.00716.68
8.0.80.0120.00616.80
8.0.70.0040.00416.70
8.0.60.0000.00716.81
8.0.50.0030.00516.68
8.0.30.0080.00917.21
8.0.20.0140.00417.40
8.0.10.0080.00016.99
8.0.00.0130.00916.77
7.4.330.0000.00616.66
7.4.320.0030.00316.44
7.4.300.0000.00816.33
7.4.290.0070.00016.51
7.4.280.0000.00716.38
7.4.270.0000.00716.38
7.4.260.0040.00416.43
7.4.250.0040.00416.42
7.4.240.0030.00516.59
7.4.230.0030.00316.39
7.4.220.0090.00916.47
7.4.210.0090.00516.46
7.4.200.0070.00016.56
7.4.160.0160.00016.45
7.4.150.0090.00917.40
7.4.140.0150.00817.86
7.4.130.0110.01016.42
7.4.120.0050.01516.49
7.4.110.0100.00716.30
7.4.100.0190.00016.42
7.4.90.0130.00616.27
7.4.80.0100.00719.39
7.4.70.0120.00516.39
7.4.60.0030.01416.28
7.4.50.0030.01016.57
7.4.40.0030.01316.19
7.4.30.0030.01516.39
7.4.10.0030.01714.88
7.4.00.0070.01014.90
7.3.330.0000.00513.00
7.3.320.0030.00213.02
7.3.310.0030.00316.08
7.3.300.0030.00316.25
7.3.290.0000.00716.11
7.3.280.0120.00816.25
7.3.270.0170.00017.40
7.3.260.0110.00716.23
7.3.250.0080.01216.51
7.3.240.0090.00916.38
7.3.230.0170.00416.45
7.3.210.0190.00316.54
7.3.200.0100.01119.39
7.3.190.0080.01316.32
7.3.180.0060.01216.24
7.3.170.0130.00316.27
7.3.160.0090.00616.52
7.3.130.0090.00614.82
7.3.120.0080.00914.96
7.3.110.0100.00714.67
7.3.100.0040.00714.70
7.3.90.0080.00714.69
7.3.80.0090.00614.48
7.3.70.0030.01014.74
7.3.60.0020.01214.77
7.3.50.0080.00514.79
7.3.40.0030.00914.58
7.3.30.0060.00514.83
7.3.20.0090.00416.62
7.3.10.0050.00716.66
7.3.00.0080.00716.56
7.2.330.0160.00316.38
7.2.320.0030.01316.52
7.2.310.0170.00016.34
7.2.300.0100.01316.22
7.2.290.0030.01416.40
7.2.260.0140.00414.96
7.2.250.0020.01315.05
7.2.240.0080.01014.84
7.2.230.0080.00614.98
7.2.220.0060.00715.09
7.2.210.0070.00714.81
7.2.200.0020.01314.80
7.2.190.0110.00514.77
7.2.180.0110.00314.97
7.2.170.0060.00814.96
7.2.160.0070.00614.82
7.2.150.0030.00716.89
7.2.140.0100.00316.54
7.2.130.0060.00616.76
7.2.120.0050.00416.77
7.2.110.0090.00616.75
7.2.100.0080.00616.77
7.2.90.0100.00516.52
7.2.80.0050.00716.89
7.2.70.0030.00816.80
7.2.60.0040.00916.80
7.2.50.0040.01216.70
7.2.40.0070.00716.85
7.2.30.0060.00616.82
7.2.20.0020.01116.62
7.2.10.0080.00616.89
7.2.00.0030.01017.63
7.1.330.0050.00915.79
7.1.320.0060.00615.67
7.1.310.0060.00615.75
7.1.300.0050.00915.58
7.1.290.0030.01015.76
7.1.280.0050.00615.71
7.1.270.0050.00615.75
7.1.260.0070.00715.74
7.1.250.0070.00515.78
7.1.240.0000.01215.42
7.1.230.0070.00715.73
7.1.220.0070.00415.80
7.1.210.0100.00315.70
7.1.200.0110.00815.70
7.1.190.0060.00615.89
7.1.180.0070.00315.67
7.1.170.0080.00815.53
7.1.160.0030.01015.54
7.1.150.0090.00615.74
7.1.140.0070.00715.62
7.1.130.0060.00315.69
7.1.120.0100.00315.43
7.1.110.0100.00015.59
7.1.100.0050.00717.04
7.1.90.0090.00915.80
7.1.80.0080.01215.64
7.1.70.0020.01016.37
7.1.60.0080.01017.63
7.1.50.0050.00916.12
7.1.40.0060.00615.66
7.1.30.0070.00715.95
7.1.20.0060.00315.74
7.1.10.0090.00015.55
7.1.00.0050.04219.08
7.0.330.0030.00615.33
7.0.320.0060.00915.03
7.0.310.0060.00615.24
7.0.300.0000.01415.24
7.0.290.0080.00015.40
7.0.280.0060.00315.39
7.0.270.0070.00715.35
7.0.260.0080.00015.17
7.0.250.0030.00715.11
7.0.240.0110.00715.15
7.0.230.0030.01315.32
7.0.220.0060.00615.39
7.0.210.0090.00315.10
7.0.200.0410.00414.99
7.0.190.0110.00015.38
7.0.180.0050.00515.23
7.0.170.0070.00315.26
7.0.160.0110.00415.25
7.0.150.0040.00415.11
7.0.140.0040.00415.54
7.0.130.0040.00715.18
7.0.120.0060.00915.37
7.0.110.0000.01315.21
7.0.100.0040.00415.31
7.0.90.0030.00615.16
7.0.80.0070.00715.21
7.0.70.0000.00815.14
7.0.60.0130.04618.41
7.0.50.0070.02316.54
7.0.40.0030.05016.68
7.0.30.0100.02616.77
7.0.20.0130.03716.57
7.0.10.0080.02816.65
7.0.00.0070.04416.72
5.6.400.0090.00614.49
5.6.390.0040.00814.42
5.6.380.0120.00613.91
5.6.370.0060.00914.09
5.6.360.0040.01114.04
5.6.350.0030.01014.29
5.6.340.0070.00714.36
5.6.330.0000.00814.41
5.6.320.0030.01414.53
5.6.310.0090.00614.58
5.6.300.0120.00414.09
5.6.290.0070.00714.50
5.6.280.0050.02517.56
5.6.270.0030.01014.40
5.6.260.0060.00914.24
5.6.250.0070.00714.43
5.6.240.0040.00714.30
5.6.230.0000.00914.36
5.6.220.0040.01114.57
5.6.210.0060.04417.39
5.6.200.0050.03416.20
5.6.190.0080.04517.35
5.6.180.0180.04017.30
5.6.170.0170.02217.36
5.6.160.0050.02417.52
5.6.150.0070.02716.14
5.6.140.0080.04316.22
5.6.130.0050.04716.30
5.6.120.0090.04617.52
5.6.110.0060.04917.79
5.6.100.0070.02417.53
5.6.90.0110.04317.83
5.6.80.0070.03917.37
5.6.70.0030.00914.02
5.6.60.0000.01514.37
5.6.50.0030.01013.95
5.6.40.0000.01014.09
5.6.30.0030.01214.15
5.6.20.0050.00514.10
5.6.10.0100.00314.22
5.6.00.0040.00814.18
5.5.380.0090.00314.11
5.5.370.0060.00914.13
5.5.360.0090.00614.15
5.5.350.0170.03717.24
5.5.340.0020.02816.01
5.5.330.0070.04317.36
5.5.320.0140.04517.07
5.5.310.0140.02417.34
5.5.300.0060.04516.17
5.5.290.0020.03915.83
5.5.280.0120.02017.42
5.5.270.0100.04317.52
5.5.260.0080.04017.35
5.5.250.0050.02517.37
5.5.240.0120.02017.18
5.5.230.0000.01414.05
5.5.220.0080.00314.04
5.5.210.0000.01314.04
5.5.200.0020.01213.79
5.5.190.0030.01013.97
5.5.180.0140.00014.13
5.5.170.0040.00414.16
5.5.160.0040.01113.84
5.5.150.0100.00314.21
5.5.140.0060.00614.04
5.5.130.0030.01013.84
5.5.120.0110.00314.08
5.5.110.0070.00713.72
5.5.100.0030.00513.97
5.5.90.0040.00714.16
5.5.80.0030.01014.20
5.5.70.0030.00614.27
5.5.60.0030.01013.80
5.5.50.0030.01014.20
5.5.40.0070.00714.16
5.5.30.0060.00614.37
5.5.20.0000.01513.90
5.5.10.0000.01414.12
5.5.00.0120.00414.09

preferences:
56.94 ms | 401 KiB | 5 Q