3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = "Test String"; var_dump(isset($test['sadf']));

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)
8.3.60.0150.00618.15
8.3.50.0110.00317.82
8.3.40.0120.00318.84
8.3.30.0070.00718.89
8.3.20.0050.00320.38
8.3.10.0060.00923.52
8.3.00.0070.00019.08
8.2.180.0110.00418.42
8.2.170.0130.00322.96
8.2.160.0100.00322.06
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.89
8.2.110.0070.00321.12
8.2.100.0080.00417.91
8.2.90.0080.00017.75
8.2.80.0060.00318.66
8.2.70.0030.00617.79
8.2.60.0040.00418.22
8.2.50.0000.00818.10
8.2.40.0050.00219.29
8.2.30.0000.00819.27
8.2.20.0030.00517.54
8.2.10.0040.00418.02
8.2.00.0000.00717.52
8.1.270.0050.00318.91
8.1.260.0070.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.92
8.1.230.0000.01122.63
8.1.220.0040.00417.74
8.1.210.0000.00918.77
8.1.200.0000.00817.23
8.1.190.0040.00417.10
8.1.180.0060.00318.94
8.1.170.0030.00518.65
8.1.160.0040.00418.93
8.1.150.0050.00318.88
8.1.140.0060.00317.27
8.1.130.0080.00017.72
8.1.120.0050.00317.38
8.1.110.0000.00717.38
8.1.100.0070.00017.30
8.1.90.0000.00817.27
8.1.80.0040.00717.43
8.1.70.0000.00717.45
8.1.60.0000.00917.56
8.1.50.0040.00417.49
8.1.40.0070.00417.36
8.1.30.0060.00317.57
8.1.20.0040.00417.60
8.1.10.0040.00417.52
8.1.00.0000.00717.49
8.0.300.0040.00418.77
8.0.290.0050.00216.63
8.0.280.0030.00318.37
8.0.270.0080.00017.20
8.0.260.0000.00817.13
8.0.250.0040.00416.78
8.0.240.0000.00716.81
8.0.230.0080.00016.91
8.0.220.0030.00316.84
8.0.210.0000.00716.78
8.0.200.0070.00016.87
8.0.190.0080.00016.84
8.0.180.0030.00516.76
8.0.170.0080.00016.88
8.0.160.0000.00716.73
8.0.150.0030.00516.67
8.0.140.0040.00416.68
8.0.130.0030.00613.27
8.0.120.0030.00616.71
8.0.110.0040.00416.73
8.0.100.0040.00416.88
8.0.90.0000.00716.85
8.0.80.0100.01016.82
8.0.70.0040.00416.93
8.0.60.0000.00816.67
8.0.50.0000.00716.65
8.0.30.0130.00517.00
8.0.20.0080.01117.40
8.0.10.0000.00816.86
8.0.00.0100.01016.63
7.4.330.0050.00015.03
7.4.320.0030.00316.43
7.4.300.0000.00616.43
7.4.290.0000.00716.50
7.4.280.0040.00416.52
7.4.270.0030.00316.39
7.4.260.0040.00416.51
7.4.250.0040.00416.36
7.4.240.0030.00316.52
7.4.230.0000.00716.45
7.4.220.0110.00716.32
7.4.210.0060.00916.48
7.4.200.0000.00716.52
7.4.160.0100.01016.31
7.4.150.0130.00617.40
7.4.140.0070.01017.86
7.4.130.0080.00916.37
7.4.120.0110.00816.42
7.4.110.0130.00616.51
7.4.100.0130.01016.41
7.4.90.0090.00916.39
7.4.80.0060.01519.39
7.4.70.0110.00616.60
7.4.60.0090.00716.43
7.4.50.0000.00816.31
7.4.40.0060.01016.40
7.4.30.0070.01016.38
7.4.00.0040.00814.95
7.3.330.0020.00213.13
7.3.320.0000.00512.92
7.3.310.0000.00716.18
7.3.300.0000.00716.18
7.3.290.0080.00616.15
7.3.280.0110.00716.16
7.3.270.0180.00717.40
7.3.260.0150.00316.38
7.3.250.0050.01616.43
7.3.240.0130.00316.11
7.3.230.0160.00016.40
7.3.210.0110.00716.50
7.3.200.0090.00919.39
7.3.190.0000.01616.49
7.3.180.0030.01216.35
7.3.170.0100.00716.45
7.3.160.0080.00816.33
7.3.120.0030.01414.68
7.3.110.0090.00614.72
7.3.100.0060.00614.89
7.3.90.0030.01014.81
7.3.80.0000.01214.66
7.3.70.0030.00614.72
7.3.60.0060.00614.71
7.3.50.0040.01214.69
7.3.40.0040.00814.70
7.3.30.0030.00914.79
7.3.20.0060.00616.53
7.3.10.0080.00616.12
7.3.00.0090.00716.37
7.2.330.0120.01116.62
7.2.320.0170.00316.34
7.2.310.0110.01116.23
7.2.300.0100.00716.59
7.2.290.0110.00716.58
7.2.250.0090.00914.64
7.2.240.0070.01314.83
7.2.230.0100.01014.76
7.2.220.0040.00714.63
7.2.210.0000.00915.13
7.2.200.0000.00914.61
7.2.190.0070.00314.75
7.2.180.0110.00414.74
7.2.170.0030.00914.76
7.2.130.0100.00716.71
7.2.120.0070.01116.21
7.2.110.0030.01316.69
7.2.100.0080.00316.45
7.2.90.0130.01016.50
7.2.80.0030.01316.70
7.2.70.0130.00016.80
7.2.60.0090.00816.48
7.2.50.0200.00316.61
7.2.40.0070.00716.59
7.2.30.0080.00416.55
7.2.20.0060.01016.14
7.2.10.0160.00416.39
7.2.00.0070.00918.06
7.1.330.0120.00315.38
7.1.320.0080.00015.52
7.1.310.0000.01515.45
7.1.300.0000.01715.73
7.1.290.0100.00315.47
7.1.280.0060.00615.71
7.1.270.0080.00815.83
7.1.260.0040.01115.55
7.1.250.0100.00315.17
7.1.100.0040.00717.98
7.1.70.0050.00217.19
7.1.60.0070.01819.22
7.1.50.0000.01416.82
7.1.00.0100.07022.41
7.0.200.0040.00416.39
7.0.140.0030.05021.92
7.0.60.0070.05720.03
7.0.50.0070.04317.79
7.0.40.0070.04720.24
7.0.30.0270.05020.18
7.0.20.0300.08020.18
7.0.10.0070.09020.17
7.0.00.0170.07720.18
5.6.280.0030.07321.01
5.6.210.0030.04020.61
5.6.200.0100.07318.21
5.6.190.0130.04720.49
5.6.180.0300.03720.41
5.6.170.0370.06020.61
5.6.160.0130.07020.54
5.6.150.0070.06018.13
5.6.140.0100.03318.20
5.6.130.0030.07018.18
5.6.120.0000.04321.03
5.6.110.0200.07021.11
5.6.100.0030.05320.93
5.6.90.0100.04021.05
5.6.80.0070.08020.39
5.5.350.0270.07320.40
5.5.340.0100.03717.96
5.5.330.0030.04020.25
5.5.320.0330.07020.29
5.5.310.0300.05720.13
5.5.300.0030.08017.90
5.5.290.0100.03717.90
5.5.280.0000.05320.77
5.5.270.0000.05720.61
5.5.260.0100.08020.87
5.5.250.0030.07720.69
5.5.240.0100.07020.26
5.4.450.0530.06319.48
5.4.440.0730.05719.25
5.4.430.0670.05319.65
5.4.420.0730.05019.53
5.4.410.0770.04719.09
5.4.400.0670.05719.21
5.4.390.0600.05319.14
5.4.380.0270.07718.68
5.4.370.0300.04718.51
5.4.360.0200.06718.68
5.4.350.0270.05718.66
5.4.340.0400.04018.48
5.4.320.0230.06018.66
5.4.310.0330.04718.39
5.4.300.0230.05318.58
5.4.290.0230.05318.55
5.4.280.0270.05718.66
5.4.270.0170.06018.59
5.4.260.0300.05018.59
5.4.250.0230.05718.70
5.4.240.0270.06318.55
5.4.230.0170.06018.57
5.4.220.0230.05318.46
5.4.210.0170.06018.59
5.4.200.0230.06016.41
5.4.190.0300.06318.50
5.4.180.0270.05318.57
5.4.170.0230.05718.66
5.4.160.0230.05718.63
5.4.150.0300.04718.53
5.4.140.0300.04716.27
5.4.130.0270.05316.19
5.4.120.0300.04716.31
5.4.110.0200.05316.30
5.4.100.0400.04316.30
5.4.90.0300.04316.13
5.4.80.0300.04716.20
5.4.70.0230.05016.13
5.4.60.0230.05316.17
5.4.50.0270.04716.13
5.4.40.0200.05316.19
5.4.30.0200.05316.18
5.4.20.0200.05716.22
5.4.10.0470.05016.13
5.4.00.0300.04315.51
5.3.290.0200.06314.55
5.3.280.0200.05314.63
5.3.270.0230.05314.59
5.3.260.0200.06714.65
5.3.250.0200.05314.69
5.3.240.0300.04314.54
5.3.230.0200.05714.66
5.3.220.0270.04714.54
5.3.210.0230.05314.47
5.3.200.0130.05714.56
5.3.190.0230.05314.55
5.3.180.0330.05314.56
5.3.170.0200.05314.46
5.3.160.0170.05314.63
5.3.150.0200.05314.54
5.3.140.0200.05014.54
5.3.130.0270.05014.59
5.3.120.0230.05014.53
5.3.110.0230.05714.45
5.3.100.0230.05014.02
5.3.90.0200.05314.01
5.3.80.0230.05313.99
5.3.70.0100.06714.01
5.3.60.0270.04713.99
5.3.50.0130.06713.97
5.3.40.0300.04313.92
5.3.30.0300.04013.98
5.3.20.0230.05013.68
5.3.10.0230.05013.67
5.3.00.0270.04713.71
5.2.170.0130.04711.19
5.2.160.0270.04311.17
5.2.150.0170.04711.14
5.2.140.0200.04711.29
5.2.130.0130.04311.13
5.2.120.0130.04311.10
5.2.110.0170.04011.10
5.2.100.0130.04311.02
5.2.90.0200.04011.11
5.2.80.0200.04311.07
5.2.70.0300.04011.14
5.2.60.0200.04310.97
5.2.50.0170.05010.97
5.2.40.0200.04010.97
5.2.30.0130.04710.90
5.2.20.0230.06010.94
5.2.10.0230.04711.01
5.2.00.0130.05710.82
5.1.60.0200.03710.02
5.1.50.0200.04310.11
5.1.40.0200.0409.93
5.1.30.0200.03710.42
5.1.20.0130.04010.44
5.1.10.0230.03010.18
5.1.00.0170.03310.18
5.0.50.0070.0408.59
5.0.40.0070.0308.50
5.0.30.0070.0478.28
5.0.20.0170.0208.28
5.0.10.0100.0278.20
5.0.00.0070.0478.19
4.4.90.0070.0235.89
4.4.80.0070.0235.86
4.4.70.0030.0275.86
4.4.60.0130.0275.93
4.4.50.0100.0205.91
4.4.40.0130.0335.85
4.4.30.0100.0205.90
4.4.20.0170.0135.96
4.4.10.0100.0205.97
4.4.00.0130.0335.97
4.3.110.0070.0235.84
4.3.100.0100.0235.78
4.3.90.0030.0235.80
4.3.80.0130.0375.91
4.3.70.0030.0275.83
4.3.60.0030.0235.89
4.3.50.0030.0335.76
4.3.40.0030.0375.76
4.3.30.0000.0274.56
4.3.20.0030.0234.53
4.3.10.0000.0304.52
4.3.00.0130.0207.61

preferences:
51.46 ms | 400 KiB | 5 Q