3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset($notExists));

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)
8.3.60.0070.00718.30
8.3.50.0160.00421.86
8.3.40.0040.01118.89
8.3.30.0000.01518.54
8.3.20.0000.00818.38
8.3.10.0050.00320.22
8.3.00.0050.00319.25
8.2.180.0130.00716.38
8.2.170.0100.01022.96
8.2.160.0070.00718.58
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00419.64
8.2.110.0000.01021.15
8.2.100.0090.00317.66
8.2.90.0050.00219.13
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0040.00419.68
8.2.20.0040.00417.52
8.2.10.0000.00717.60
8.2.00.0040.00417.59
8.1.280.0100.01025.92
8.1.270.0000.00723.99
8.1.260.0140.00026.35
8.1.250.0000.00828.09
8.1.240.0120.00020.64
8.1.230.0050.00520.96
8.1.220.0080.00018.77
8.1.210.0060.00318.77
8.1.200.0060.00317.13
8.1.190.0000.00817.40
8.1.180.0000.00718.10
8.1.170.0040.00418.75
8.1.160.0030.00318.63
8.1.150.0000.00718.39
8.1.140.0090.00017.37
8.1.130.0000.00817.75
8.1.120.0040.00417.32
8.1.110.0000.00717.22
8.1.100.0030.00617.23
8.1.90.0070.00017.34
8.1.80.0000.00817.36
8.1.70.0040.00417.34
8.1.60.0000.00817.36
8.1.50.0050.00317.21
8.1.40.0050.00217.34
8.1.30.0070.00017.50
8.1.20.0000.00817.52
8.1.10.0040.00417.38
8.1.00.0000.00717.23
8.0.300.0040.00419.81
8.0.290.0040.00416.63
8.0.280.0070.00018.41
8.0.270.0070.00016.99
8.0.260.0030.00316.68
8.0.250.0000.00716.82
8.0.240.0040.00416.82
8.0.230.0000.00716.84
8.0.220.0030.00316.64
8.0.210.0000.00716.61
8.0.200.0000.00716.68
8.0.190.0050.00216.77
8.0.180.0000.00816.81
8.0.170.0060.00316.73
8.0.160.0000.00716.67
8.0.150.0000.01116.61
8.0.140.0050.00316.77
8.0.130.0030.00513.14
8.0.120.0000.00716.66
8.0.110.0080.00016.55
8.0.100.0070.00016.86
8.0.90.0030.00316.80
8.0.80.0060.01216.74
8.0.70.0050.00216.63
8.0.60.0030.00516.82
8.0.50.0040.00416.79
8.0.30.0120.00716.87
8.0.20.0130.01017.40
8.0.10.0000.00716.84
8.0.00.0120.00716.52
7.4.330.0030.00314.71
7.4.320.0030.00316.44
7.4.300.0000.00616.47
7.4.290.0000.00616.37
7.4.280.0000.00816.43
7.4.270.0000.00716.31
7.4.260.0030.00313.12
7.4.250.0050.00316.35
7.4.240.0000.00716.27
7.4.230.0030.00316.27
7.4.220.0060.01316.44
7.4.210.0090.00816.37
7.4.200.0030.00416.53
7.4.190.0030.00316.42
7.4.160.0090.00616.40
7.4.150.0060.01317.40
7.4.140.0090.00817.86
7.4.130.0120.00516.34
7.4.120.0110.00816.37
7.4.110.0110.01016.56
7.4.100.0110.00716.41
7.4.90.0070.01016.46
7.4.80.0090.00919.04
7.4.70.0070.01016.25
7.4.60.0120.00416.39
7.4.50.0040.00416.20
7.4.40.0090.00622.27
7.4.30.0090.00916.23
7.4.00.0110.00714.75
7.3.330.0000.00512.87
7.3.320.0000.00512.88
7.3.310.0030.00316.19
7.3.300.0030.00316.11
7.3.290.0000.01316.08
7.3.280.0080.00916.11
7.3.270.0090.01017.40
7.3.260.0110.00818.24
7.3.250.0110.01216.26
7.3.240.0100.01016.36
7.3.230.0090.00916.39
7.3.210.0150.00916.27
7.3.200.0060.01019.39
7.3.190.0110.01116.08
7.3.180.0170.00316.28
7.3.170.0090.00916.27
7.3.160.0070.01316.31
7.3.120.0060.00914.33
7.3.110.0130.00014.86
7.3.100.0070.00314.48
7.3.90.0040.00814.41
7.3.80.0030.01314.52
7.3.70.0070.01014.75
7.3.60.0060.00614.61
7.3.50.0040.01114.71
7.3.40.0060.00914.44
7.3.30.0030.01314.60
7.3.20.0030.01016.50
7.3.10.0060.00316.54
7.3.00.0120.00016.50
7.2.330.0130.00316.25
7.2.320.0090.01316.38
7.2.310.0130.00316.57
7.2.300.0090.00916.30
7.2.290.0130.00316.56
7.2.240.0040.00714.82
7.2.230.0060.00315.07
7.2.220.0030.01014.77
7.2.210.0000.01514.58
7.2.200.0090.00314.77
7.2.190.0070.00714.95
7.2.180.0030.01214.73
7.2.170.0070.00714.91
7.2.160.0080.00414.91
7.2.150.0120.00616.61
7.2.140.0060.00916.82
7.2.130.0040.01116.78
7.2.120.0070.00716.34
7.2.110.0040.01116.84
7.2.100.0070.00716.59
7.2.90.0030.01216.80
7.2.80.0000.01416.71
7.2.70.0070.01016.66
7.2.60.0030.01316.78
7.2.50.0030.00916.94
7.2.40.0000.01416.56
7.2.30.0120.00416.41
7.2.20.0040.01116.69
7.2.10.0030.01516.61
7.2.00.0050.00516.81
7.1.330.0040.01215.70
7.1.320.0070.00715.71
7.1.310.0030.01315.90
7.1.300.0030.01315.62
7.1.290.0060.00615.77
7.1.280.0000.01215.60
7.1.270.0040.00815.71
7.1.260.0140.00015.31
7.1.250.0070.00715.54
7.1.70.0040.00417.02
7.1.60.0070.01719.40
7.1.50.0000.01116.58
7.1.00.0070.05722.30
7.0.200.0050.00516.81
7.0.140.0070.05322.07
7.0.60.0130.06019.98
7.0.50.0100.03717.88
7.0.40.0070.05020.24
7.0.30.0300.04020.32
7.0.20.0330.07020.09
7.0.10.0070.09020.29
7.0.00.0070.07719.99
5.6.280.0130.06321.09
5.6.210.0030.05320.60
5.6.200.0030.05718.08
5.6.190.0100.03320.48
5.6.180.3030.04020.35
5.6.170.0270.05320.50
5.6.160.0100.07320.45
5.6.150.0030.08018.22
5.6.140.0000.06718.12
5.6.130.0100.06318.09
5.6.120.0070.05720.89
5.6.110.0070.04321.07
5.6.100.0230.07320.98
5.6.90.0030.04020.99
5.6.80.0170.07020.37
5.5.350.0130.04020.31
5.5.340.0030.08717.97
5.5.330.0130.07320.37
5.5.320.0270.07320.28
5.5.310.0400.06720.16
5.5.300.0100.07017.89
5.5.290.0000.08718.02
5.5.280.0100.03720.76
5.5.270.0070.06320.95
5.5.260.0130.05320.71
5.5.250.0070.03720.65
5.5.240.0100.07320.14
5.4.450.2670.04319.42
5.4.440.3730.04719.55
5.4.430.3630.03719.45
5.4.420.3830.04319.56
5.4.410.3870.03019.36
5.4.400.3730.04018.89
5.4.390.3870.03719.09
5.4.380.4400.04319.09
5.4.370.3770.03719.09
5.4.360.3500.04019.16
5.4.350.3400.04019.24
5.4.340.3870.04019.11
5.4.320.3770.03719.11
5.4.310.4600.03719.13
5.4.300.3600.03719.13
5.4.290.3770.04019.21
5.4.280.3730.02719.21
5.4.270.3500.04019.13
5.4.260.3830.03719.08
5.4.250.3530.04018.84
5.4.240.3870.03719.10
5.4.230.3870.04019.23
5.4.220.3500.03719.13
5.4.210.3830.04018.80
5.4.200.3500.04018.80
5.4.190.3330.03319.08
5.4.180.3870.03718.91
5.4.170.3700.04019.09
5.4.160.3830.03719.11
5.4.150.3830.04018.90
5.4.140.4070.03316.55
5.4.130.3800.04016.43
5.4.120.3630.03716.30
5.4.110.3430.04016.46
5.4.100.3800.03716.06
5.4.90.3430.04716.34
5.4.80.3130.03316.41
5.4.70.3800.03316.42
5.4.60.3570.03316.28
5.4.50.3470.03316.38
5.4.40.3500.03316.31
5.4.30.3570.04016.36
5.4.20.2430.03316.41
5.4.10.1930.04316.19
5.4.00.2630.02715.73
5.3.290.3830.04014.61
5.3.280.3330.03714.45
5.3.270.3900.04014.44
5.3.260.3970.04714.55
5.3.250.3930.04014.44
5.3.240.2130.03314.69
5.3.230.3230.04014.62
5.3.220.3500.03714.48
5.3.210.3800.03314.65
5.3.200.3630.03314.54
5.3.190.3970.04014.43
5.3.180.3230.03714.41
5.3.170.3870.04014.61
5.3.160.3730.04014.39
5.3.150.3770.03714.41
5.3.140.3730.03714.58
5.3.130.3670.04314.41
5.3.120.2130.04714.34
5.3.110.1330.04014.49
5.3.100.4170.03013.98
5.3.90.3230.04014.00
5.3.80.1500.04313.91
5.3.70.0030.05014.10
5.3.60.0070.04013.91
5.3.50.0030.04013.84
5.3.40.3270.03313.89
5.3.30.3200.03314.00
5.3.20.3330.03313.67
5.3.10.2200.03313.45
5.3.00.3670.03313.61
5.2.170.2330.03311.08
5.2.160.2730.03011.29
5.2.150.2770.02711.19
5.2.140.2570.03011.10
5.2.130.1270.03011.25
5.2.120.1230.03311.04
5.2.110.2830.03311.18
5.2.100.3330.03310.96
5.2.90.3470.03010.93
5.2.80.3370.02711.03
5.2.70.3370.02311.18
5.2.60.2630.04311.11
5.2.50.3330.03011.11
5.2.40.2600.03010.93
5.2.30.2630.03011.12
5.2.20.3270.03710.89
5.2.10.2570.02711.03
5.2.00.2800.02310.67
5.1.60.0070.04710.07
5.1.50.0100.0539.86
5.1.40.0030.0309.95
5.1.30.0030.04710.49
5.1.20.2570.03010.41
5.1.10.2930.02310.04
5.1.00.3230.0239.99
5.0.50.0530.0209.83
5.0.40.1170.0239.83
5.0.30.1500.0309.83
5.0.20.1370.0139.83
5.0.10.1470.0209.83
5.0.00.1470.0339.83
4.4.90.1130.0179.83
4.4.80.1200.0179.83
4.4.70.1500.0179.83
4.4.60.1300.0139.83
4.4.50.1570.0109.83
4.4.40.0030.0409.83
4.4.30.0000.0279.83
4.4.20.0800.0139.83
4.4.10.1430.0139.83
4.4.00.1600.0239.83
4.3.110.1330.0179.83
4.3.100.1430.0139.83
4.3.90.1270.0179.83
4.3.80.1400.0209.83
4.3.70.1430.0109.83
4.3.60.1370.0139.83
4.3.50.1500.0209.83
4.3.40.1500.0279.83
4.3.30.0770.0179.83
4.3.20.0970.0209.80
4.3.10.0730.0179.80
4.3.00.0870.0239.80

preferences:
52.51 ms | 401 KiB | 5 Q