3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array(0 => ''); echo isset($arr[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)
8.3.40.0140.00418.71
8.3.30.0080.00520.21
8.3.20.0040.00420.15
8.3.10.0040.00422.09
8.3.00.0000.00822.51
8.2.170.0150.00322.96
8.2.160.0100.00320.37
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0150.00026.16
8.2.120.0080.00019.66
8.2.110.0000.00922.03
8.2.100.0080.00419.23
8.2.90.0050.00219.22
8.2.80.0040.00419.16
8.2.70.0000.00817.50
8.2.60.0030.00517.93
8.2.50.0040.00418.07
8.2.40.0000.00918.34
8.2.30.0030.00618.18
8.2.20.0040.00417.72
8.2.10.0000.00717.54
8.2.00.0040.00417.59
8.1.270.0060.00324.66
8.1.260.0040.00426.35
8.1.250.0100.00328.09
8.1.240.0060.00323.77
8.1.230.0080.00419.03
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0050.00317.41
8.1.180.0000.00720.15
8.1.170.0060.00318.43
8.1.160.0040.00422.13
8.1.150.0040.00418.56
8.1.140.0020.00517.42
8.1.130.0000.00717.80
8.1.120.0000.00717.44
8.1.110.0050.00317.36
8.1.100.0030.00417.40
8.1.90.0000.00817.42
8.1.80.0070.00017.42
8.1.70.0000.00717.28
8.1.60.0000.00817.39
8.1.50.0040.00417.32
8.1.40.0040.00417.48
8.1.30.0000.00717.55
8.1.20.0040.00417.57
8.1.10.0040.00417.48
8.1.00.0000.01317.50
8.0.300.0080.00018.77
8.0.290.0040.00417.18
8.0.280.0070.00018.45
8.0.270.0000.00717.26
8.0.260.0030.00316.75
8.0.250.0030.00316.84
8.0.240.0040.00416.86
8.0.230.0030.00316.88
8.0.220.0030.00316.78
8.0.210.0000.00716.73
8.0.200.0060.00016.73
8.0.190.0070.00016.85
8.0.180.0070.00016.85
8.0.170.0030.00316.75
8.0.160.0080.00016.84
8.0.150.0070.00016.71
8.0.140.0000.00816.83
8.0.130.0060.00013.25
8.0.120.0080.00016.78
8.0.110.0040.00416.71
8.0.100.0070.00016.87
8.0.90.0030.00516.84
8.0.80.0070.01116.86
8.0.70.0040.00416.67
8.0.60.0030.00516.85
8.0.50.0050.00216.64
8.0.30.0120.00817.09
8.0.20.0130.00617.40
8.0.10.0070.00016.94
8.0.00.0080.01116.68
7.4.330.0000.00515.00
7.4.320.0030.00316.53
7.4.300.0040.00416.55
7.4.290.0030.00316.42
7.4.280.0030.00316.42
7.4.270.0000.00716.35
7.4.260.0000.00716.43
7.4.250.0040.00416.37
7.4.240.0000.00716.54
7.4.230.0030.00316.43
7.4.220.0090.00916.57
7.4.210.0070.00916.38
7.4.200.0030.00316.42
7.4.190.0000.00716.61
7.4.160.0100.00716.23
7.4.150.0100.01017.40
7.4.140.0100.00817.86
7.4.130.0090.01116.50
7.4.120.0050.01216.43
7.4.110.0080.00916.56
7.4.100.0090.01216.53
7.4.90.0090.00916.37
7.4.80.0150.00919.39
7.4.70.0100.00716.37
7.4.60.0170.00016.35
7.4.50.0080.00016.48
7.4.40.0000.01022.77
7.4.30.0120.00816.48
7.4.10.0070.01114.80
7.4.00.0030.01214.70
7.3.330.0000.00512.93
7.3.320.0000.00513.03
7.3.310.0000.00816.02
7.3.300.0000.00716.14
7.3.290.0030.01016.31
7.3.280.0100.00816.23
7.3.270.0030.01417.40
7.3.260.0100.00716.28
7.3.250.0070.01116.28
7.3.240.0080.00816.48
7.3.230.0150.00616.39
7.3.210.0140.00316.16
7.3.200.0120.01219.39
7.3.190.0070.01616.40
7.3.180.0080.00816.44
7.3.170.0060.00916.27
7.3.160.0060.01016.31
7.3.130.0110.00614.79
7.3.120.0060.01014.66
7.3.110.0000.01514.89
7.3.100.0000.01514.86
7.3.90.0100.01014.73
7.3.80.0070.00714.69
7.3.70.0060.00914.74
7.3.60.0140.00314.75
7.3.50.0090.00614.63
7.3.40.0070.00714.73
7.3.30.0070.00714.61
7.3.20.0070.00716.48
7.3.10.0090.00616.48
7.3.00.0070.00616.55
7.2.330.0140.00616.45
7.2.320.0100.01316.58
7.2.310.0180.00616.64
7.2.300.0060.01216.31
7.2.290.0030.01316.46
7.2.260.0030.01514.71
7.2.250.0030.01315.09
7.2.240.0030.01014.77
7.2.230.0030.00614.82
7.2.220.0040.01514.97
7.2.210.0100.00314.76
7.2.200.0090.00314.88
7.2.190.0120.00314.92
7.2.180.0070.01114.50
7.2.170.0030.00914.79
7.2.160.0060.00614.77
7.2.150.0030.01016.61
7.2.140.0090.00616.59
7.2.130.0050.00916.83
7.2.120.0030.01216.62
7.2.110.0050.01016.60
7.2.100.0060.00916.79
7.2.90.0060.01116.68
7.2.80.0140.00316.74
7.2.70.0100.00316.91
7.2.60.0040.01116.67
7.2.50.0050.00716.84
7.2.40.0040.00616.69
7.2.30.0070.00816.68
7.2.20.0040.00916.63
7.2.10.0090.00516.69
7.2.00.0040.00916.77
7.1.330.0040.00815.70
7.1.320.0030.01215.83
7.1.310.0040.00815.77
7.1.300.0100.00715.61
7.1.290.0060.00915.48
7.1.280.0100.00315.49
7.1.270.0030.01415.90
7.1.260.0040.00815.53
7.1.250.0080.00615.63
7.1.240.0050.00915.67
7.1.230.0030.01015.57
7.1.220.0070.00715.62
7.1.210.0060.01015.71
7.1.200.0090.00815.60
7.1.190.0110.00115.56
7.1.180.0120.00615.79
7.1.170.0090.00515.79
7.1.160.0090.00515.67
7.1.150.0050.00715.63
7.1.140.0030.01015.60
7.1.130.0030.01015.68
7.1.120.0060.00515.62
7.1.110.0040.00715.67
7.1.100.0070.00415.78
7.1.90.0060.00815.46
7.1.80.0060.00415.69
7.1.70.0050.00516.05
7.1.60.0050.00816.07
7.1.50.0060.00916.04
7.1.40.0000.01015.45
7.1.30.0040.00715.58
7.1.20.0010.00915.53
7.1.10.0020.01015.79
7.1.00.0060.02817.89
7.0.330.0110.00315.40
7.0.320.0110.00715.26
7.0.310.0060.01015.35
7.0.300.0090.00515.27
7.0.290.0070.00815.34
7.0.280.0080.00615.11
7.0.270.0040.00915.34
7.0.260.0030.00715.09
7.0.250.0040.00815.30
7.0.240.0020.01215.42
7.0.230.0040.00915.23
7.0.220.0030.00815.38
7.0.210.0050.00815.30
7.0.200.0050.00815.79
7.0.190.0050.00515.36
7.0.180.0030.00815.27
7.0.170.0040.00915.38
7.0.160.0050.00715.21
7.0.150.0030.01015.03
7.0.140.0040.03017.55
7.0.130.0050.00915.40
7.0.120.0050.00415.45
7.0.110.0060.00615.33
7.0.100.0100.00315.25
7.0.90.0000.01315.29
7.0.80.0050.00615.42
7.0.70.1150.01716.90
7.0.60.0140.02916.77
7.0.50.0040.03216.11
7.0.40.0050.02215.51
7.0.30.0040.02215.58
7.0.20.0060.02115.70
7.0.10.0110.01915.59
7.0.00.0020.03515.61
5.6.400.0030.00614.45
5.6.390.0040.01113.97
5.6.380.0100.00714.11
5.6.370.0090.00414.13
5.6.360.0060.00714.06
5.6.350.0070.00414.24
5.6.340.0080.00414.46
5.6.330.0020.01214.26
5.6.320.0050.00514.35
5.6.310.0060.00514.17
5.6.300.0030.01014.45
5.6.290.0030.00914.25
5.6.280.0060.02916.58
5.6.270.0080.00714.26
5.6.260.0100.00514.33
5.6.250.0030.00914.32
5.6.240.0060.00614.31
5.6.230.0090.00614.34
5.6.220.0060.00614.26
5.6.210.0040.03416.39
5.6.200.0060.02215.69
5.6.190.0030.02416.36
5.6.180.0090.03416.34
5.6.170.0150.02816.38
5.6.160.0040.01916.35
5.6.150.0030.02115.62
5.6.140.0070.02015.65
5.6.130.0060.03215.55
5.6.120.0110.02716.61
5.6.110.0100.02116.45
5.6.100.0070.02016.61
5.6.90.0040.03316.67
5.6.80.0070.02016.19
5.6.70.0040.02016.22
5.6.60.0080.00714.34
5.6.50.0090.00414.17
5.6.40.0110.00714.25
5.6.30.0070.00814.17
5.6.20.0070.00714.26
5.6.10.0110.00414.40
5.6.00.0120.00314.10
5.5.380.0020.00613.65
5.5.370.0020.00813.90
5.5.360.0020.01013.79
5.5.350.0050.03215.88
5.5.340.0040.02315.11
5.5.330.0030.02615.93
5.5.320.0070.02015.97
5.5.310.0100.02415.83
5.5.300.0050.01715.18
5.5.290.0090.02915.21
5.5.280.0060.01816.11
5.5.270.0040.02116.12
5.5.260.0060.02916.22
5.5.250.0060.03016.10
5.5.240.0040.03315.92
5.5.230.0050.00513.64
5.5.220.0090.00413.62
5.5.210.0020.00813.85
5.5.200.0020.00913.53
5.5.190.0080.00513.52
5.5.180.0090.00313.70
5.5.170.0090.00413.66
5.5.160.0040.00713.64
5.5.150.0050.00713.68
5.5.140.0040.00413.67
5.5.130.0060.00613.81
5.5.120.0060.00913.74
5.5.110.0090.00313.71
5.5.100.0040.00813.68
5.5.90.0040.00813.71
5.5.80.0030.01013.70
5.5.70.0030.00813.81
5.5.60.0050.00613.81
5.5.50.0110.00313.70
5.5.40.0090.00513.70
5.5.30.0090.00513.82
5.5.20.0040.00513.60
5.5.10.0050.00613.56
5.5.00.0070.00513.69
5.4.450.0110.02015.30
5.4.440.0330.02715.28
5.4.430.0410.02615.25
5.4.420.0220.02715.27
5.4.410.0270.03115.25
5.4.400.0200.02115.04
5.4.390.0080.02215.12
5.4.380.0050.02215.02
5.4.370.0040.02014.98
5.4.360.0040.02315.01
5.4.350.0020.01812.77
5.4.340.0080.01512.77
5.4.330.0060.00613.17
5.4.320.0040.02112.93
5.4.310.0030.01812.93
5.4.300.0080.01412.93
5.4.290.0040.01612.93
5.4.280.0060.01812.89
5.4.270.0070.01412.89
5.4.260.0030.02012.89
5.4.250.0070.01612.89
5.4.240.0070.02014.97
5.4.230.0070.02115.05
5.4.220.0070.02015.08
5.4.210.0010.02714.96
5.4.200.0070.02115.00
5.4.190.0060.02215.05
5.4.180.0100.02714.98
5.4.170.0050.02315.05
5.4.160.0100.01914.99
5.4.150.0040.02315.09
5.4.140.0040.02814.28
5.4.130.0060.02114.21
5.4.120.0070.01914.20
5.4.110.0090.02014.21
5.4.100.0060.02114.20
5.4.90.0100.01814.16
5.4.80.0070.01614.21
5.4.70.0100.01914.22
5.4.60.0070.02414.23
5.4.50.0100.02714.19
5.4.40.0100.02214.20
5.4.30.0060.02514.18
5.4.20.0040.02314.22
5.4.10.0090.01814.22
5.4.00.0070.02214.01
5.3.290.0030.02313.05
5.3.280.0100.01713.64
5.3.270.0070.01913.65
5.3.260.0050.02413.65
5.3.250.0040.02513.65
5.3.240.0100.01813.61
5.3.230.0050.02113.64
5.3.220.0070.02013.65
5.3.210.0050.02313.63
5.3.200.0020.02413.68
5.3.190.0050.02213.59
5.3.180.0060.01913.65
5.3.170.0050.03113.64
5.3.160.0070.02713.58
5.3.150.0070.02113.58
5.3.140.0040.02913.64
5.3.130.0070.02613.59
5.3.120.0060.02613.63
5.3.110.0070.02113.55
5.3.100.0080.01713.46
5.3.90.0080.02013.47
5.3.80.0050.02413.38
5.3.70.0060.02013.41
5.3.60.0060.02513.46
5.3.50.0080.01813.48
5.3.40.0100.02313.33
5.3.30.0060.02913.43
5.3.20.0150.01713.39
5.3.10.0020.02913.23
5.3.00.0070.02713.33
5.2.170.0070.02512.18
5.2.160.0050.02512.22
5.2.150.0060.02812.17
5.2.140.0080.02612.21
5.2.130.0110.02712.25
5.2.120.0090.03612.11
5.2.110.0050.03312.24
5.2.100.0100.02212.24
5.2.90.0060.02412.14
5.2.80.0070.03212.23
5.2.70.0140.02012.24
5.2.60.0040.03112.21
5.2.50.0050.02712.21
5.2.40.0010.02712.09
5.2.30.0070.02712.01
5.2.20.0130.02312.20
5.2.10.0080.02712.06
5.2.00.0080.02112.04
5.1.60.0030.01911.67
5.1.50.0070.01611.67
5.1.40.0050.01711.65
5.1.30.0090.01511.85
5.1.20.0060.02211.82
5.1.10.0070.01811.65
5.1.00.0050.01811.79
5.0.50.0090.01211.64
5.0.40.0060.01511.64
5.0.30.0050.02411.65
5.0.20.0020.01811.65
5.0.10.0060.01311.65
5.0.00.0090.02211.65
4.4.90.0040.01511.65
4.4.80.0050.01111.65
4.4.70.0040.01511.65
4.4.60.0040.01211.65
4.4.50.0020.01311.65
4.4.40.0020.02011.65
4.4.30.0050.01011.65
4.4.20.0050.01511.65
4.4.10.0050.01711.64
4.4.00.0070.01511.64
4.3.110.0050.00811.64
4.3.100.0050.01011.65
4.3.90.0010.01811.65
4.3.80.0020.02311.65
4.3.70.0040.01311.65
4.3.60.0030.01311.65
4.3.50.0050.01211.65
4.3.40.0080.01511.65
4.3.30.0020.01411.65
4.3.20.0000.01811.65
4.3.10.0070.01011.65
4.3.00.0020.01710.27

preferences:
44.05 ms | 400 KiB | 5 Q