3v4l.org

run code in 300+ PHP versions simultaneously
<?php isset( $foo['bar']['demi'] ); die; $foo = array(); for( $i=0; $i < 100000000; $i++ ) { $count = 0; if ( isset( $foo[$i]['foo'] ) ) $count = $count = @count( $foo['foo']['bar'] ); }

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)
8.3.40.0070.00718.76
8.3.30.0070.01119.14
8.3.20.0040.00420.16
8.3.10.0040.00421.70
8.3.00.0040.00419.18
8.2.170.0070.00722.96
8.2.160.0130.00322.17
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00319.68
8.2.110.0070.00320.38
8.2.100.0040.00817.91
8.2.90.0000.00720.60
8.2.80.0080.00019.28
8.2.70.0030.00619.79
8.2.60.0030.00617.89
8.2.50.0000.00818.10
8.2.40.0000.00820.60
8.2.30.0000.00717.97
8.2.20.0000.00817.81
8.2.10.0080.00017.97
8.2.00.0040.00417.68
8.1.270.0080.00018.98
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0030.00622.59
8.1.230.0110.00022.63
8.1.220.0000.00717.74
8.1.210.0030.00718.97
8.1.200.0040.00417.21
8.1.190.0060.00317.10
8.1.180.0000.00818.10
8.1.170.0000.00818.51
8.1.160.0030.00322.10
8.1.150.0000.00818.82
8.1.140.0040.00419.02
8.1.130.0000.00717.67
8.1.120.0040.00417.35
8.1.110.0030.00317.36
8.1.100.0040.00417.36
8.1.90.0000.00717.37
8.1.80.0070.00017.30
8.1.70.0040.00417.25
8.1.60.0030.00617.45
8.1.50.0080.00017.41
8.1.40.0080.00017.40
8.1.30.0000.00817.59
8.1.20.0000.00817.49
8.1.10.0070.00017.42
8.1.00.0040.00417.34
8.0.300.0070.00419.81
8.0.290.0070.00016.63
8.0.280.0070.00018.23
8.0.270.0000.00717.05
8.0.260.0060.00017.19
8.0.250.0030.00316.86
8.0.240.0030.00316.76
8.0.230.0040.00416.72
8.0.220.0070.00016.83
8.0.210.0030.00316.84
8.0.200.0030.00316.80
8.0.190.0040.00416.80
8.0.180.0080.00016.75
8.0.170.0000.00716.84
8.0.160.0000.00716.88
8.0.150.0000.00716.81
8.0.140.0030.00416.85
8.0.130.0000.00613.25
8.0.120.0000.00716.82
8.0.110.0000.00816.87
8.0.100.0000.00816.83
8.0.90.0000.00716.92
8.0.80.0180.00316.71
8.0.70.0050.00216.89
8.0.60.0000.00716.81
8.0.50.0000.00716.71
8.0.30.0140.01117.00
8.0.20.0080.01117.40
8.0.10.0040.00417.06
8.0.00.0050.01316.53
7.4.330.0000.00515.03
7.4.320.0000.00616.43
7.4.300.0030.00316.29
7.4.290.0000.00816.47
7.4.280.0000.00716.37
7.4.270.0030.00516.39
7.4.260.0110.00016.37
7.4.250.0040.00416.39
7.4.240.0040.00316.46
7.4.230.0070.00016.55
7.4.220.0040.01616.55
7.4.210.0120.00316.56
7.4.200.0000.00716.45
7.4.160.0110.01116.43
7.4.150.0090.01017.40
7.4.140.0100.00717.86
7.4.130.0120.00516.44
7.4.120.0090.00816.45
7.4.110.0090.00916.50
7.4.100.0080.01616.39
7.4.90.0030.01416.57
7.4.80.0180.00419.39
7.4.70.0090.00916.45
7.4.60.0080.00816.52
7.4.50.0040.00416.12
7.4.40.0110.00616.49
7.4.30.0070.01516.46
7.4.00.0120.00714.74
7.3.330.0050.00013.31
7.3.320.0000.00513.08
7.3.310.0040.00416.18
7.3.300.0000.00716.23
7.3.290.0050.00916.35
7.3.280.0080.00916.35
7.3.270.0100.01017.40
7.3.260.0100.00716.23
7.3.250.0100.00616.35
7.3.240.0100.00716.48
7.3.230.0140.00316.39
7.3.210.0130.00316.36
7.3.200.0070.01119.39
7.3.190.0070.00716.42
7.3.180.0060.00916.58
7.3.170.0100.00716.27
7.3.160.0080.00916.54
7.3.120.0070.01214.73
7.3.110.0020.00914.73
7.3.100.0070.01014.95
7.3.90.0070.00614.82
7.3.80.0040.00714.82
7.3.70.0040.00914.64
7.3.60.0040.00714.80
7.3.50.0020.00914.76
7.3.40.0050.00514.67
7.3.30.0050.00714.67
7.3.20.0080.00616.29
7.3.10.0070.00416.40
7.3.00.0020.01216.65
7.2.330.0040.01416.70
7.2.320.0070.01416.70
7.2.310.0090.00916.39
7.2.300.0100.00916.34
7.2.290.0060.01016.68
7.2.250.0030.01214.87
7.2.240.0080.00915.00
7.2.230.0100.00314.79
7.2.220.0070.00515.13
7.2.210.0070.00714.97
7.2.200.0000.01014.97
7.2.190.0120.00214.89
7.2.180.0050.00814.89
7.2.170.0090.00514.95
7.2.160.0060.00614.83
7.2.150.0060.00816.74
7.2.140.0040.00816.89
7.2.130.0050.00616.85
7.2.120.0030.01016.86
7.2.110.0110.00316.96
7.2.100.0050.00616.92
7.2.90.0030.01117.00
7.2.80.0010.00916.89
7.2.70.0030.01016.90
7.2.60.0050.00916.81
7.2.50.0050.00716.83
7.2.40.0060.00816.86
7.2.30.0000.01216.89
7.2.20.0020.01116.81
7.2.10.0050.00716.84
7.2.00.0080.00417.50
7.1.330.0020.01215.75
7.1.320.0030.00815.83
7.1.310.0040.00815.79
7.1.300.0030.00915.60
7.1.290.0030.00715.63
7.1.280.0070.00715.75
7.1.270.0050.01015.77
7.1.260.0070.00715.58
7.1.250.0050.00515.71
7.1.200.0030.00615.53
7.1.100.0070.00717.99
7.1.70.0000.00717.13
7.1.60.0070.01419.46
7.1.50.0030.01216.99
7.1.00.0030.07722.35
7.0.200.0080.00016.48
7.0.140.0070.05321.96
7.0.60.0030.04020.02
7.0.50.0100.04317.86
7.0.40.0070.05019.90
7.0.30.0300.07319.96
7.0.20.0170.06720.02
7.0.10.0000.05020.21
7.0.00.0100.08720.08
5.6.280.0030.07320.99
5.6.210.0130.08020.59
5.6.200.0070.08318.13
5.6.190.0130.04020.61
5.6.180.0300.07320.61
5.6.170.0330.04020.46
5.6.160.0070.08020.40
5.6.150.0070.03318.08
5.6.140.0230.05318.20
5.6.130.0070.08018.12
5.6.120.0230.06720.89
5.6.110.0170.06020.98
5.6.100.0100.03320.97
5.6.90.0130.08321.00
5.6.80.0070.05720.39
5.5.350.0030.08320.34
5.5.340.0030.08317.98
5.5.330.0000.04720.40
5.5.320.0330.04720.13
5.5.310.0400.07320.29
5.5.300.0070.04718.02
5.5.290.0070.04317.96
5.5.280.0070.08320.80
5.5.270.0030.09020.80
5.5.260.0070.08020.79
5.5.250.0200.06020.79
5.5.240.3270.02720.15
5.4.450.0600.05319.42
5.4.440.0400.06019.48
5.4.430.0100.05319.29
5.4.420.0170.05319.16
5.4.410.0100.05319.38
5.4.400.0030.05718.96
5.4.390.1000.04718.50
5.4.380.0900.05718.72
5.4.370.1000.05018.50
5.4.360.0900.05318.46
5.4.350.0800.06718.65
5.4.340.1000.05718.77
5.4.320.1070.04318.60
5.4.310.0730.06318.75
5.4.300.0830.05718.62
5.4.290.0630.05718.66
5.4.280.0970.05718.52
5.4.270.0930.04318.57
5.4.260.0770.06318.48
5.4.250.1030.04318.77
5.4.240.0930.04318.65
5.4.230.0870.05018.44
5.4.220.0970.07718.51
5.4.210.1070.05718.48
5.4.200.1000.04716.78
5.4.190.1170.06318.63
5.4.180.0970.05718.66
5.4.170.1000.06018.61
5.4.160.1070.05718.54
5.4.150.1130.07318.47
5.4.140.0930.05016.17
5.4.130.1030.04716.16
5.4.120.0800.06016.06
5.4.110.0870.05316.31
5.4.100.1030.06716.35
5.4.90.1100.06316.12
5.4.80.0930.04716.28
5.4.70.0770.05016.20
5.4.60.0800.05316.07
5.4.50.0870.05016.13
5.4.40.0870.04716.15
5.4.30.0900.07016.22
5.4.20.1030.06016.11
5.4.10.0930.06316.28
5.4.00.0900.06715.73
5.3.290.0700.06014.59
5.3.280.0930.05314.68
5.3.270.0900.05314.50
5.3.260.0900.05014.61
5.3.250.0970.05314.70
5.3.240.0800.05714.65
5.3.230.0800.05714.59
5.3.220.0830.05314.51
5.3.210.0770.06314.55
5.3.200.0900.04714.56
5.3.190.0870.05714.55
5.3.180.0800.05714.66
5.3.170.0930.05014.61
5.3.160.1000.04714.49
5.3.150.0870.05714.50
5.3.140.0900.05714.61
5.3.130.0770.05014.62
5.3.120.1030.05714.45
5.3.110.0930.05314.64
5.3.100.0770.05714.01
5.3.90.0870.05014.01
5.3.80.0830.05714.00
5.3.70.0870.05313.93
5.3.60.0870.05313.93
5.3.50.0830.06013.92
5.3.40.0830.05713.91
5.3.30.0900.04713.98
5.3.20.0870.04713.76
5.3.10.0830.05313.58
5.3.00.0970.04713.64
5.2.170.0770.04311.20
5.2.160.0630.05011.12
5.2.150.0770.03311.12
5.2.140.0900.04711.09
5.2.130.0830.05711.11
5.2.120.0930.05011.04
5.2.110.0870.05711.08
5.2.100.0900.05011.07
5.2.90.0900.05311.14
5.2.80.0670.05011.13
5.2.70.0800.03311.13
5.2.60.0770.03711.05
5.2.50.0670.04710.99
5.2.40.0600.04311.03
5.2.30.0630.04011.01
5.2.20.0630.04010.99
5.2.10.0630.03710.83
5.2.00.0670.03310.72
5.1.60.0570.03310.06
5.1.50.0570.0379.96
5.1.40.0630.04010.07
5.1.30.0700.05010.49
5.1.20.0570.03710.41
5.1.10.0630.03310.12
5.1.00.0630.03010.09
5.0.50.0300.0308.61
5.0.40.0300.0278.44
5.0.30.0270.0478.22
5.0.20.0300.0278.23
5.0.10.0270.0338.22
5.0.00.0330.0378.18
4.4.90.0300.0235.88
4.4.80.0300.0205.91
4.4.70.0300.0235.91
4.4.60.0270.0235.81
4.4.50.0230.0275.87
4.4.40.0400.0235.85
4.4.30.0330.0205.91
4.4.20.0270.0235.95
4.4.10.0330.0235.94
4.4.00.0300.0335.93
4.3.110.0270.0235.88
4.3.100.0300.0205.84
4.3.90.0300.0205.84
4.3.80.0300.0335.84
4.3.70.0270.0235.91
4.3.60.0370.0135.78
4.3.50.0270.0235.77
4.3.40.0300.0335.75
4.3.30.0130.0234.68
4.3.20.0130.0234.68
4.3.10.0200.0204.68
4.3.00.0070.02312.52

preferences:
46.9 ms | 400 KiB | 5 Q