3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_STRICT); $header = array('test'); if (isset($header[0]['class'])) { echo 'set'; } else { echo 'not set'; }

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)
8.3.60.0100.01018.30
8.3.50.0160.00522.12
8.3.40.0070.00718.84
8.3.30.0070.00719.04
8.3.20.0070.00020.21
8.3.10.0050.00320.51
8.3.00.0030.00519.38
8.2.180.0150.00316.38
8.2.170.0070.00722.96
8.2.160.0070.00720.35
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0050.00322.27
8.2.110.0000.00820.18
8.2.100.0110.00917.96
8.2.90.0050.00319.41
8.2.80.0030.00617.97
8.2.70.0030.00617.50
8.2.60.0050.00317.91
8.2.50.0110.00018.07
8.2.40.0000.00820.07
8.2.30.0070.00318.09
8.2.20.0000.00717.73
8.2.10.0040.00417.87
8.2.00.0040.00417.59
8.1.280.0080.00625.92
8.1.270.0080.00023.91
8.1.260.0000.00826.35
8.1.250.0000.00828.09
8.1.240.0090.00023.79
8.1.230.0080.00318.98
8.1.220.0040.00417.74
8.1.210.0050.00218.77
8.1.200.0080.00017.00
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0030.00518.57
8.1.160.0000.00721.99
8.1.150.0040.00418.79
8.1.140.0040.00417.30
8.1.130.0000.00717.82
8.1.120.0030.00317.29
8.1.110.0030.00517.35
8.1.100.0000.00717.39
8.1.90.0040.00317.38
8.1.80.0080.00017.28
8.1.70.0030.00317.29
8.1.60.0040.00417.42
8.1.50.0040.00417.50
8.1.40.0000.00717.47
8.1.30.0000.00817.55
8.1.20.0000.00717.57
8.1.10.0020.00517.60
8.1.00.0030.00617.48
8.0.300.0000.00718.77
8.0.290.0000.00716.74
8.0.280.0050.00318.34
8.0.270.0040.00417.24
8.0.260.0060.00017.32
8.0.250.0040.00416.91
8.0.240.0030.00316.88
8.0.230.0000.00716.77
8.0.220.0030.00316.82
8.0.210.0030.00316.77
8.0.200.0080.00016.89
8.0.190.0090.00016.75
8.0.180.0060.00316.87
8.0.170.0090.00016.73
8.0.160.0000.00716.82
8.0.150.0030.00416.71
8.0.140.0070.00016.66
8.0.130.0000.00513.25
8.0.120.0060.00316.76
8.0.110.0070.00016.79
8.0.100.0000.00716.89
8.0.90.0000.00716.79
8.0.80.0040.01116.71
8.0.70.0040.00416.70
8.0.60.0040.00416.76
8.0.50.0040.00416.90
8.0.30.0100.00917.01
8.0.20.0080.01417.40
8.0.10.0040.00417.00
8.0.00.0070.01016.68
7.4.330.0050.00015.07
7.4.320.0060.00016.46
7.4.300.0000.00616.52
7.4.290.0030.00316.54
7.4.280.0040.00316.40
7.4.270.0070.00016.39
7.4.260.0000.00716.53
7.4.250.0000.00716.47
7.4.240.0040.00316.49
7.4.230.0030.00316.31
7.4.220.0150.00416.48
7.4.210.0030.01016.56
7.4.200.0030.00616.32
7.4.160.0140.00416.29
7.4.150.0120.00617.40
7.4.140.0120.00517.86
7.4.130.0110.00516.52
7.4.120.0080.01316.40
7.4.110.0060.01016.59
7.4.100.0070.01116.48
7.4.90.0130.00316.42
7.4.80.0150.00719.39
7.4.70.0120.00816.35
7.4.60.0070.01016.36
7.4.50.0000.00616.10
7.4.40.0060.01016.33
7.4.30.0120.00916.55
7.4.00.0130.00314.89
7.3.330.0000.00513.11
7.3.320.0000.00613.02
7.3.310.0070.00016.10
7.3.300.0040.00416.18
7.3.290.0030.01116.24
7.3.280.0090.00816.25
7.3.270.0090.00917.40
7.3.260.0160.00016.51
7.3.250.0120.00516.41
7.3.240.0130.00716.50
7.3.230.0110.00716.43
7.3.210.0090.00916.31
7.3.200.0140.00919.39
7.3.190.0040.01216.37
7.3.180.0080.01216.52
7.3.170.0110.00616.63
7.3.160.0100.01016.46
7.3.10.0090.00216.50
7.3.00.0030.01116.54
7.2.330.0110.00716.66
7.2.320.0070.01016.56
7.2.310.0090.00916.33
7.2.300.0120.00416.55
7.2.290.0080.00816.48
7.2.130.0070.00716.76
7.2.120.0070.00516.84
7.2.110.0030.01016.85
7.2.100.0050.00716.74
7.2.90.0070.00516.74
7.2.80.0000.00916.69
7.2.70.0070.00916.55
7.2.60.0100.00516.61
7.2.50.0050.00616.75
7.2.40.0070.00916.57
7.2.30.0020.01416.72
7.2.20.0070.00616.80
7.2.10.0050.00516.54
7.2.00.0040.00917.59
7.1.250.0050.00615.46
7.1.240.0050.00315.44
7.1.230.0090.00615.77
7.1.220.0030.00615.68
7.1.210.0030.00615.73
7.1.200.0060.00615.52
7.1.190.0000.00915.91
7.1.180.0070.00715.64
7.1.170.0100.00715.83
7.1.160.0000.01015.80
7.1.150.0070.00715.79
7.1.140.0060.00615.70
7.1.130.0060.00615.72
7.1.120.0030.01115.66
7.1.110.0000.01215.66
7.1.100.0060.00516.85
7.1.90.0040.00715.59
7.1.80.0060.00315.59
7.1.70.0020.00616.33
7.1.60.0060.00817.36
7.1.50.0070.00815.98
7.1.40.0030.00915.80
7.1.30.0030.00615.66
7.1.20.0130.00715.68
7.1.10.0030.00515.59
7.1.00.0080.03819.04
7.0.330.0070.00715.08
7.0.320.0100.00015.02
7.0.310.0000.01414.73
7.0.300.0000.00815.29
7.0.290.0000.01215.26
7.0.280.0030.01014.95
7.0.270.0040.00815.10
7.0.260.0100.00015.09
7.0.250.0090.00315.25
7.0.240.0060.00315.35
7.0.230.0020.00515.43
7.0.220.0060.00615.50
7.0.210.0040.00415.34
7.0.200.0040.00615.88
7.0.190.0070.00015.00
7.0.180.0030.00615.38
7.0.170.0090.00015.38
7.0.160.0070.00715.28
7.0.150.0070.00415.18
7.0.140.0050.04818.73
7.0.130.0170.00315.51
7.0.120.0000.00715.36
7.0.110.0000.00915.26
7.0.100.0000.01115.05
7.0.90.0040.00415.12
7.0.80.0000.01415.23
7.0.70.2520.02517.67
7.0.60.0050.03917.61
7.0.50.0030.04816.65
7.0.40.0120.03816.64
7.0.30.0130.02816.71
7.0.20.0190.04416.64
7.0.10.0120.04416.73
7.0.00.0050.04216.60
5.6.380.0100.00314.30
5.6.370.0030.00614.20
5.6.360.0030.00614.27
5.6.350.0030.00914.11
5.6.340.0070.00414.30
5.6.330.0090.00314.61
5.6.320.0070.00413.99
5.6.310.0070.00714.61
5.6.300.0000.01114.42
5.6.290.0070.00714.41
5.6.280.0070.03917.69
5.6.270.0070.00714.25
5.6.260.0040.00414.36
5.6.250.0000.01014.20
5.6.240.0000.01114.38
5.6.230.0040.00814.30
5.6.220.0000.01014.10
5.6.210.0070.03917.33
5.6.200.0110.03016.35
5.6.190.0050.04017.38
5.6.180.0100.04017.57
5.6.170.0220.02817.26
5.6.160.0060.03117.42
5.6.150.0030.03716.21
5.6.140.0020.02715.97
5.6.130.0030.03216.25
5.6.120.0020.03017.60
5.6.110.0050.03617.53
5.6.100.0080.02817.64
5.6.90.0050.05017.45
5.6.80.0050.04417.34
5.6.70.0030.02917.18
5.6.60.0000.00814.29
5.6.50.0000.00814.18
5.6.40.0100.00313.92
5.6.30.0040.00714.34
5.6.20.0060.00614.01
5.6.10.0060.00614.43
5.6.00.0000.01014.26
5.5.380.0070.00211.10
5.5.370.0080.00411.08
5.5.360.0050.00510.89
5.5.350.0090.04215.73
5.5.340.0100.03514.57
5.5.330.0030.04715.75
5.5.320.0000.03515.62
5.5.310.0150.03115.88
5.5.300.0100.03014.58
5.5.290.0100.02314.31
5.5.280.0050.02815.93
5.5.270.0100.03515.93
5.5.260.0050.04515.82
5.5.250.0050.03915.80
5.5.240.0090.04015.54
5.5.230.0000.01110.74
5.5.220.0000.01310.96
5.5.210.0080.00310.91
5.5.200.0070.00310.77
5.5.190.0030.00611.00
5.5.180.0000.00610.71
5.5.170.0000.00810.91
5.5.160.0040.00410.91
5.5.150.0030.00610.91
5.5.140.0080.00310.90
5.5.130.0040.00410.91
5.5.120.0030.00310.92
5.5.110.0060.00311.02
5.5.100.0070.00410.73
5.5.90.0030.00610.82
5.5.80.0050.00310.90
5.5.70.0080.00010.71
5.5.60.0030.00510.75
5.5.50.0000.01110.88
5.5.40.0030.00610.83
5.5.30.0050.00310.79
5.5.20.0030.00610.84
5.5.10.0030.00310.84
5.5.00.0040.00410.88
5.4.450.0720.02615.00
5.4.440.0150.02515.00
5.4.430.0110.01915.04
5.4.420.0350.00415.21
5.4.410.0330.00514.98
5.4.400.0370.00414.93
5.4.390.0340.00315.13
5.4.380.0330.00214.95
5.4.370.0330.00014.88
5.4.360.0320.00314.96
5.4.350.0360.00114.96
5.4.340.0320.00414.98
5.4.330.0030.00610.89
5.4.320.0120.02511.58
5.4.310.0060.03011.66
5.4.300.0070.03011.62
5.4.290.0080.02911.63
5.4.280.0070.02411.73
5.4.270.0110.02011.53
5.4.260.0020.02911.73
5.4.250.0110.02111.53
5.4.240.0040.03111.68
5.4.230.0080.02511.65
5.4.220.0070.02511.60
5.4.210.0050.02311.65
5.4.200.0050.02711.52
5.4.190.0070.02211.58
5.4.180.0050.02111.61
5.4.170.0040.02011.58
5.4.160.0050.02111.53
5.4.150.0060.02111.64
5.4.140.0040.02411.37
5.4.130.0030.02111.41
5.4.120.0020.02811.35
5.4.110.0070.01911.38
5.4.100.0050.01911.45
5.4.90.0050.02211.47
5.4.80.0050.02511.41
5.4.70.0070.02011.49
5.4.60.0060.02111.42
5.4.50.0020.02211.50
5.4.40.0040.02311.49
5.4.30.0040.02211.48
5.4.20.0060.02111.55
5.4.10.0050.02311.32
5.4.00.0020.02311.07
5.3.290.0040.02111.75
5.3.280.0050.02211.71
5.3.270.0050.02511.72
5.3.260.0070.02611.71
5.3.250.0070.02311.71
5.3.240.0090.02711.71
5.3.230.0040.02711.71
5.3.220.0060.02211.69
5.3.210.0050.02611.69
5.3.200.0080.02211.69
5.3.190.0080.02311.69
5.3.180.0080.02311.69
5.3.170.0040.02811.69
5.3.160.0040.03011.69
5.3.150.0060.02811.69
5.3.140.0050.02611.68
5.3.130.0040.02511.68
5.3.120.0020.02411.68
5.3.110.0060.02111.68
5.3.100.0040.02311.41
5.3.90.0020.02511.39
5.3.80.0050.02111.39
5.3.70.0050.02311.39
5.3.60.0050.02311.39
5.3.50.0050.02011.35
5.3.40.0040.02211.35
5.3.30.0080.02011.32
5.3.20.0070.02411.21
5.3.10.0080.02511.20
5.3.00.0070.02111.19
5.2.170.0020.0259.94
5.2.160.0050.0239.94
5.2.150.0070.0199.94
5.2.140.0060.0229.94
5.2.130.0080.0249.92
5.2.120.0040.0269.92
5.2.110.0060.0209.92
5.2.100.0060.0229.92
5.2.90.0060.0209.92
5.2.80.0040.0229.92
5.2.70.0040.0239.92
5.2.60.0020.0209.90
5.2.50.0020.0189.88
5.2.40.0040.0159.87
5.2.30.0030.0199.86
5.2.20.0040.0249.85
5.2.10.0070.0189.82
5.2.00.0070.0189.75
5.1.60.0040.0139.39
5.1.50.0050.0169.39
5.1.40.0030.0189.38
5.1.30.0060.0179.55
5.1.20.0050.0199.56
5.1.10.0030.0159.43
5.1.00.0050.0159.43
5.0.50.0050.0148.67
5.0.40.0040.0138.60
5.0.30.0020.0208.50
5.0.20.0020.0148.49
5.0.10.0040.0168.48
5.0.00.0040.0188.47
4.4.90.0020.0127.74
4.4.80.0010.0107.73
4.4.70.0050.0077.73
4.4.60.0020.0087.73
4.4.50.0010.0127.74
4.4.40.0030.0187.71
4.4.30.0010.0107.73
4.4.20.0020.0107.77
4.4.10.0020.0097.78
4.4.00.0040.0137.73
4.3.110.0030.0097.69
4.3.100.0040.0087.68
4.3.90.0040.0087.67
4.3.80.0040.0137.65
4.3.70.0040.0087.67
4.3.60.0020.0097.67
4.3.50.0020.0127.67
4.3.40.0010.0177.62
4.3.30.0040.0096.99
4.3.20.0000.0136.98
4.3.10.0020.0126.96
4.3.00.0100.00812.15

preferences:
60.19 ms | 401 KiB | 5 Q