3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = Array('b' => 'okokokok'); if((isset($a['b']['ok']))) { echo $a['b']['ok']; // Print 0 } else { echo "else"; }

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)
8.3.60.0090.00916.38
8.3.50.0080.01016.38
8.3.40.0070.00718.55
8.3.30.0120.00318.50
8.3.20.0080.00018.48
8.3.10.0080.00018.77
8.3.00.0060.01019.26
8.2.180.0040.01416.63
8.2.170.0070.01122.96
8.2.160.0060.00919.02
8.2.150.0040.00424.18
8.2.140.0070.01124.66
8.2.130.0050.00226.16
8.2.120.0090.00019.66
8.2.110.0090.00019.21
8.2.100.0090.00318.03
8.2.90.0040.00419.30
8.2.80.0040.00417.97
8.2.70.0060.00317.38
8.2.60.0030.00617.93
8.2.50.0000.00817.91
8.2.40.0000.00819.48
8.2.30.0060.00317.56
8.2.20.0100.00017.61
8.2.10.0000.00717.65
8.2.00.0000.00717.49
8.1.280.0110.00425.92
8.1.270.0080.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.75
8.1.230.0090.00317.64
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0040.00417.62
8.1.160.0070.00019.02
8.1.150.0040.00418.53
8.1.140.0070.00017.41
8.1.130.0050.00219.27
8.1.120.0040.00417.39
8.1.110.0040.00417.28
8.1.100.0030.00317.28
8.1.90.0000.00717.39
8.1.80.0040.00417.28
8.1.70.0070.00017.34
8.1.60.0080.00017.51
8.1.50.0000.00717.30
8.1.40.0000.00717.45
8.1.30.0030.00717.43
8.1.20.0090.00017.63
8.1.10.0040.00417.56
8.1.00.0030.00617.52
8.0.300.0080.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.61
8.0.270.0020.00517.26
8.0.260.0030.00316.72
8.0.250.0050.00316.73
8.0.240.0070.00016.85
8.0.230.0040.00416.89
8.0.220.0050.00216.83
8.0.210.0030.00316.75
8.0.200.0040.00416.91
8.0.190.0080.00016.77
8.0.180.0030.00716.74
8.0.170.0030.00516.83
8.0.160.0080.00316.85
8.0.150.0000.00816.72
8.0.140.0100.00016.82
8.0.130.0000.00713.23
8.0.120.0000.01016.73
8.0.110.0000.00916.70
8.0.100.0000.00716.69
8.0.90.0080.00016.69
8.0.80.0030.01716.81
8.0.70.0000.00716.63
8.0.60.0040.00416.84
8.0.50.0050.00316.70
8.0.30.0090.00917.32
8.0.20.0080.01016.94
8.0.10.0030.00516.76
8.0.00.0060.01216.83
7.4.330.0000.00512.87
7.4.320.0030.00316.36
7.4.300.0030.00316.45
7.4.290.0030.00316.54
7.4.280.0030.00416.43
7.4.270.0080.00016.30
7.4.260.0040.00413.21
7.4.250.0030.00616.53
7.4.240.0000.00716.42
7.4.230.0000.00716.40
7.4.220.0130.00616.52
7.4.210.0030.01216.46
7.4.200.0020.00516.60
7.4.190.0050.00316.63
7.4.160.0130.00316.45
7.4.150.0070.01016.48
7.4.140.0150.01017.86
7.4.130.0090.00916.39
7.4.120.0180.00616.35
7.4.110.0130.00416.41
7.4.100.0090.01416.39
7.4.90.0160.00316.38
7.4.80.0120.01219.39
7.4.70.0040.01316.39
7.4.60.0070.01016.38
7.4.50.0040.00416.16
7.4.40.0100.00716.43
7.4.30.0110.00616.61
7.4.00.0080.00815.05
7.3.330.0060.00013.10
7.3.320.0000.00513.17
7.3.310.0000.00716.26
7.3.300.0030.00316.28
7.3.290.0040.01016.25
7.3.280.0060.00816.16
7.3.270.0070.01016.30
7.3.260.0070.01016.30
7.3.240.0100.01016.36
7.3.230.0070.00716.39
7.3.210.0150.00616.43
7.3.200.0070.01016.35
7.3.190.0130.00416.54
7.3.180.0110.00616.25
7.3.170.0030.01316.28
7.3.160.0090.00616.36
7.3.120.0060.00914.63
7.3.110.0090.00614.94
7.3.100.0060.00614.46
7.3.90.0070.01114.68
7.3.80.0060.00614.79
7.3.70.0040.01214.82
7.3.60.0040.01214.76
7.3.50.0090.00314.91
7.3.40.0030.01014.77
7.3.30.0030.00914.80
7.3.20.0030.00916.34
7.3.10.0030.01316.59
7.3.00.0000.01416.69
7.2.330.0090.00816.50
7.2.320.0100.00716.49
7.2.310.0100.00716.48
7.2.300.0150.00016.41
7.2.290.0080.01016.51
7.2.240.0040.00815.14
7.2.230.0060.00914.85
7.2.220.0070.00715.04
7.2.210.0080.00814.70
7.2.200.0040.01114.95
7.2.190.0100.00014.78
7.2.180.0120.00314.90
7.2.170.0070.00714.84
7.2.160.0030.01015.00
7.2.150.0040.01116.67
7.2.140.0030.00916.54
7.2.130.0000.01716.82
7.2.120.0000.01716.57
7.2.110.0070.00716.60
7.2.100.0110.00416.95
7.2.90.0090.00616.64
7.2.80.0060.00616.77
7.2.70.0070.00716.75
7.2.60.0090.00616.91
7.2.50.0080.00416.85
7.2.40.0030.01416.92
7.2.30.0110.00316.78
7.2.20.0070.01016.81
7.2.10.0060.00616.70
7.2.00.0050.00917.91
7.1.330.0030.01415.48
7.1.320.0140.00315.58
7.1.310.0060.00815.65
7.1.300.0000.01515.51
7.1.290.0080.00415.46
7.1.280.0040.01115.71
7.1.270.0070.00715.84
7.1.260.0030.01315.75
7.1.250.0090.00615.55
7.1.100.0030.00717.90
7.1.70.0040.00416.96
7.1.60.0130.01019.21
7.1.50.0130.01016.57
7.1.00.0000.05722.39
7.0.200.0390.00316.43
7.0.140.0070.07022.00
7.0.120.0030.04321.96
7.0.60.0000.04320.03
7.0.50.0070.03717.77
7.0.40.0100.04020.24
7.0.30.0370.05720.16
7.0.20.0300.06720.00
7.0.10.0070.06720.09
7.0.00.0030.04720.17
5.6.280.0100.05721.07
5.6.210.0070.07020.50
5.6.200.0100.08018.18
5.6.190.0100.06720.61
5.6.180.0300.05320.27
5.6.170.0270.07320.38
5.6.160.0030.08320.33
5.6.150.0100.05018.09
5.6.140.0100.04318.19
5.6.130.0130.07718.20
5.6.120.0130.08020.95
5.6.110.0030.04721.13
5.6.100.0100.03321.03
5.6.90.0100.08320.99
5.6.80.0070.06020.39
5.5.350.0030.08720.43
5.5.340.0070.04017.88
5.5.330.0100.08320.21
5.5.320.0070.07720.17
5.5.310.0270.07020.14
5.5.300.0100.05717.89
5.5.290.0170.06317.98
5.5.280.0070.04320.76
5.5.270.0100.08020.86
5.5.260.0100.07720.86
5.5.250.0100.04720.69
5.5.240.0200.04020.26
5.4.450.0130.04719.45
5.4.440.0000.06019.32
5.4.430.0100.07319.24
5.4.420.0100.07719.46
5.4.410.0100.04019.11
5.4.400.0100.07718.79
5.4.390.0100.06719.14
5.4.380.0070.06719.10
5.4.370.0100.06019.08
5.4.360.0170.04719.16
5.4.350.0130.07019.12
5.4.340.0100.06019.17
5.4.320.0070.04319.18
5.4.310.0130.04019.18
5.4.300.0000.08019.14
5.4.290.0170.03719.19
5.4.280.0130.04719.18
5.4.270.0070.03719.15
5.4.260.0000.08318.96
5.4.250.0200.04019.17
5.4.240.0130.07319.17
5.4.230.0100.04019.09
5.4.220.0030.04319.15
5.4.210.0030.04318.93
5.4.200.0030.04718.82
5.4.190.0070.04319.13
5.4.180.0070.04719.13
5.4.170.0030.05019.15
5.4.160.0000.08319.15
5.4.150.0100.04719.06
5.4.140.0130.07016.21
5.4.130.0030.05016.23
5.4.120.0070.05016.21
5.4.110.0100.03716.25
5.4.100.0070.07716.30
5.4.90.0030.06016.15
5.4.80.0070.07316.35
5.4.70.0200.04716.25
5.4.60.0070.06316.38
5.4.50.0030.06316.47
5.4.40.0030.04316.56
5.4.30.0100.04316.32
5.4.20.0070.07716.20
5.4.10.0030.07716.30
5.4.00.0100.06715.64
5.3.290.0030.04014.63
5.3.280.0100.07014.52
5.3.270.0030.04314.52
5.3.260.0030.05314.48
5.3.250.0100.04014.42
5.3.240.0030.06014.52
5.3.230.0030.06314.54
5.3.220.0100.03714.52
5.3.210.0000.07714.44
5.3.200.0070.06714.35
5.3.190.0170.07014.50
5.3.180.0200.04314.48
5.3.170.0070.05014.49
5.3.160.0100.07714.54
5.3.150.0170.03314.53
5.3.140.0000.08014.57
5.3.130.0130.07314.47
5.3.120.0170.07014.52
5.3.110.0070.04314.51
5.3.100.0030.08014.01
5.3.90.0100.04313.81
5.3.80.0100.07013.96
5.3.70.0070.07013.95
5.3.60.0070.06013.93
5.3.50.0070.04313.90
5.3.40.0070.04713.76
5.3.30.0070.07313.84
5.3.20.0100.03713.61
5.3.10.0030.06713.63
5.3.00.0100.04713.56
5.2.170.0100.02711.08
5.2.160.0000.06010.96
5.2.150.0170.03011.15
5.2.140.0070.04011.21
5.2.130.0100.02310.95
5.2.120.0100.04711.04
5.2.110.0030.04311.03
5.2.100.0030.06011.03
5.2.90.0070.03711.09
5.2.80.0030.07011.08
5.2.70.0070.03310.97
5.2.60.0000.05310.89
5.2.50.0070.04710.95
5.2.40.0030.03310.98
5.2.30.0070.06310.84
5.2.20.0130.05311.11
5.2.10.0070.04710.90
5.2.00.0030.06010.61
5.1.60.0030.05310.07
5.1.50.0030.03010.14
5.1.40.0030.0339.98
5.1.30.0030.05710.49
5.1.20.0030.05310.30
5.1.10.0070.05010.03
5.1.00.0070.04310.06
5.0.50.0030.0278.58
5.0.40.0000.0278.45
5.0.30.0070.0608.23
5.0.20.0100.0138.14
5.0.10.0000.0338.15
5.0.00.0030.0408.13
4.4.90.0000.0377.96
4.4.80.0000.0207.96
4.4.70.0030.0237.96
4.4.60.0000.0377.96
4.4.50.0000.0377.96
4.4.40.0000.0407.96
4.4.30.0070.0207.96
4.4.20.0030.0237.96
4.4.10.0030.0377.96
4.4.00.0000.0307.96
4.3.110.0030.0177.96
4.3.100.0000.0177.96
4.3.90.0000.0337.96
4.3.80.0070.0277.96
4.3.70.0000.0307.96
4.3.60.0000.0337.96
4.3.50.0000.0177.96
4.3.40.0030.0307.96
4.3.30.0070.0277.96
4.3.20.0000.0377.96
4.3.10.0030.0237.96
4.3.00.0000.0237.96

preferences:
39.65 ms | 401 KiB | 5 Q