3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '1234'; var_dump(isset($string['servers']));

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)
8.3.40.0110.00318.84
8.3.30.0130.01019.01
8.3.20.0070.00020.09
8.3.10.0040.00421.95
8.3.00.0040.00720.96
8.2.170.0070.00722.96
8.2.160.0100.00320.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00419.85
8.2.110.0060.00320.56
8.2.100.0080.00417.85
8.2.90.0000.00918.09
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00418.04
8.2.50.0000.00918.07
8.2.40.0000.00818.34
8.2.30.0020.00518.06
8.2.20.0070.00017.67
8.2.10.0080.00017.97
8.2.00.0000.00717.55
8.1.270.0090.00020.83
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00522.05
8.1.230.0030.00720.85
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.01017.23
8.1.190.0030.00617.10
8.1.180.0040.00418.10
8.1.170.0000.00820.43
8.1.160.0000.00821.89
8.1.150.0060.00318.81
8.1.140.0000.00717.41
8.1.130.0070.00017.81
8.1.120.0040.00417.31
8.1.110.0000.00717.36
8.1.100.0070.00017.43
8.1.90.0040.00417.40
8.1.80.0070.00017.28
8.1.70.0000.00717.31
8.1.60.0000.00917.48
8.1.50.0000.00817.40
8.1.40.0000.00817.43
8.1.30.0030.00517.59
8.1.20.0030.00617.56
8.1.10.0030.00617.48
8.1.00.0080.00417.50
8.0.300.0040.00420.09
8.0.290.0030.00616.58
8.0.280.0070.00018.31
8.0.270.0040.00417.16
8.0.260.0000.00617.10
8.0.250.0000.00616.89
8.0.240.0030.00316.84
8.0.230.0070.00016.95
8.0.220.0060.00016.75
8.0.210.0000.00716.84
8.0.200.0000.00716.86
8.0.190.0040.00416.89
8.0.180.0000.00716.74
8.0.170.0080.00016.86
8.0.160.0040.00416.79
8.0.150.0000.00716.66
8.0.140.0070.00016.67
8.0.130.0060.00013.21
8.0.120.0000.00816.61
8.0.110.0040.00416.73
8.0.100.0040.00416.88
8.0.90.0000.00716.86
8.0.80.0120.00316.84
8.0.70.0080.00016.80
8.0.60.0000.00716.63
8.0.50.0040.00416.68
8.0.30.0140.00617.04
8.0.20.0120.01117.40
8.0.10.0040.00416.90
8.0.00.0110.01116.79
7.4.330.0030.00315.13
7.4.320.0000.00816.43
7.4.300.0000.00616.43
7.4.290.0000.00716.50
7.4.280.0030.00616.42
7.4.270.0030.00316.53
7.4.260.0030.00316.53
7.4.250.0000.00716.40
7.4.240.0000.00716.46
7.4.230.0000.00816.32
7.4.220.0160.00716.29
7.4.210.0120.00516.45
7.4.200.0050.00316.62
7.4.160.0090.00616.39
7.4.150.0210.00017.40
7.4.140.0090.01117.86
7.4.130.0030.01516.40
7.4.120.0090.00916.45
7.4.110.0140.01016.45
7.4.100.0100.01316.41
7.4.90.0080.00816.45
7.4.80.0110.00616.46
7.4.70.0100.01016.32
7.4.60.0040.01416.42
7.4.50.0020.00216.40
7.4.40.0070.01316.14
7.4.30.0120.01216.22
7.4.10.0070.01014.70
7.4.00.0110.00514.75
7.3.330.0020.00212.92
7.3.320.0090.00613.05
7.3.310.0000.00716.13
7.3.300.0000.00716.14
7.3.290.0060.00016.05
7.3.280.0060.01216.15
7.3.270.0050.01417.40
7.3.260.0030.01516.20
7.3.250.0050.01216.14
7.3.240.0080.01116.15
7.3.230.0130.01016.39
7.3.210.0100.00716.51
7.3.200.0150.00619.39
7.3.190.0080.00816.47
7.3.180.0030.01316.16
7.3.170.0090.00916.30
7.3.160.0090.01016.12
7.3.130.0060.01214.61
7.3.120.0070.01114.44
7.3.110.0070.01014.66
7.3.100.0080.00414.59
7.3.90.0030.00614.67
7.3.80.0100.00314.84
7.3.70.0040.00814.49
7.3.60.0100.00314.69
7.3.50.0120.00314.54
7.3.40.0070.00314.73
7.3.30.0030.00814.41
7.3.20.0030.00616.21
7.3.10.0060.00316.42
7.3.00.0070.00716.39
7.2.330.0000.02316.62
7.2.320.0030.01216.23
7.2.310.0110.01416.28
7.2.300.0030.01316.35
7.2.290.0100.00616.27
7.2.260.0000.01915.12
7.2.250.0110.00714.53
7.2.240.0130.00014.80
7.2.230.0060.00914.88
7.2.220.0030.01214.96
7.2.210.0030.01015.14
7.2.200.0070.01014.79
7.2.190.0030.01314.80
7.2.180.0030.01014.90
7.2.170.0000.01414.84
7.2.160.0060.00614.76
7.2.150.0100.00616.88
7.2.140.0080.00816.59
7.2.130.0030.01516.52
7.2.120.0090.00616.88
7.2.110.0030.01216.79
7.2.100.0060.00916.68
7.2.90.0040.01116.89
7.2.80.0000.00916.85
7.2.70.0040.01116.31
7.2.60.0070.00716.59
7.2.50.0030.01016.70
7.2.40.0080.00316.97
7.2.30.0070.01116.78
7.2.20.0030.01016.52
7.2.10.0040.00816.97
7.2.00.0030.01217.95
7.1.330.0090.00615.40
7.1.320.0060.00315.42
7.1.310.0100.00315.77
7.1.300.0000.01315.65
7.1.290.0090.00315.46
7.1.280.0040.00815.72
7.1.270.0000.01415.66
7.1.260.0060.00315.58
7.1.250.0050.00315.31
7.1.240.0130.00315.70
7.1.230.0070.00315.78
7.1.220.0060.00615.67
7.1.210.0000.01415.62
7.1.200.0100.00315.70
7.1.190.0100.00315.36
7.1.180.0030.00615.36
7.1.170.0040.00815.52
7.1.160.0000.00815.84
7.1.150.0070.00715.57
7.1.140.0050.00515.74
7.1.130.0030.00915.35
7.1.120.0090.00315.82
7.1.110.0030.00615.46
7.1.100.0010.00816.91
7.1.90.0030.01015.92
7.1.80.0030.00715.55
7.1.70.0040.00716.35
7.1.60.0110.00617.53
7.1.50.0070.00916.33
7.1.40.0030.00915.30
7.1.30.0040.00415.50
7.1.20.0070.00715.61
7.1.10.0000.01015.67
7.1.00.0080.03718.99
7.0.330.0070.00715.37
7.0.320.0100.00715.38
7.0.310.0090.00315.38
7.0.300.0080.00415.21
7.0.290.0050.00315.06
7.0.280.0030.01015.29
7.0.270.0040.00715.02
7.0.260.0000.01015.48
7.0.250.0030.00715.26
7.0.240.0050.00515.14
7.0.230.0100.00015.42
7.0.220.0030.01215.29
7.0.210.0030.00615.14
7.0.200.1880.00315.18
7.0.190.0070.00715.29
7.0.180.0030.01015.10
7.0.170.0030.00615.34
7.0.160.0000.00915.18
7.0.150.0070.00415.07
7.0.140.0030.02218.73
7.0.130.0040.00415.17
7.0.120.0040.00815.25
7.0.110.0030.01015.16
7.0.100.0040.01115.34
7.0.90.0110.00315.41
7.0.80.0060.00315.27
7.0.70.0040.00715.23
7.0.60.0100.04417.65
7.0.50.0070.03616.46
7.0.40.0060.02616.86
7.0.30.0150.02316.80
7.0.20.0080.03016.69
7.0.10.0030.03716.87
7.0.00.0070.04716.81
5.6.400.0040.01114.39
5.6.390.0130.00314.23
5.6.380.0090.00614.25
5.6.370.0080.00814.38
5.6.360.0030.00514.11
5.6.350.0060.00613.91
5.6.340.0030.01014.42
5.6.330.0090.00614.43
5.6.320.0040.00814.54
5.6.310.0040.00714.07
5.6.300.0040.00714.00
5.6.290.0120.00314.38
5.6.280.0030.04017.83
5.6.270.0030.00714.31
5.6.260.0040.01214.33
5.6.250.0030.00714.11
5.6.240.0070.00714.31
5.6.230.0100.00314.27
5.6.220.0090.00614.39
5.6.210.0130.02817.38
5.6.200.0080.02316.15
5.6.190.0070.02517.26
5.6.180.0360.03117.27
5.6.170.0170.04617.33
5.6.160.0100.03717.22
5.6.150.0020.02716.16
5.6.140.0090.02616.22
5.6.130.0120.03716.05
5.6.120.0100.04017.49
5.6.110.0060.02317.46
5.6.100.0060.02617.63
5.6.90.0040.02617.41
5.6.80.0090.03217.40
5.6.70.0040.01214.01
5.6.60.0130.00314.25
5.6.50.0100.00014.05
5.6.40.0040.01114.00
5.6.30.0040.01114.07
5.6.20.0080.00414.26
5.6.10.0030.01014.05
5.6.00.0000.01314.00
5.5.380.0000.01613.99
5.5.370.0030.00714.28
5.5.360.0100.00714.21
5.5.350.0230.03617.30
5.5.340.0070.04316.13
5.5.330.0070.04517.02
5.5.320.0050.02217.13
5.5.310.0170.04417.22
5.5.300.0090.02816.06
5.5.290.0070.02116.08
5.5.280.0090.04417.53
5.5.270.0150.03017.56
5.5.260.0050.04617.47
5.5.250.0080.04117.46
5.5.240.0080.03717.06
5.5.230.0120.00314.16
5.5.220.0120.00614.10
5.5.210.0070.00314.31
5.5.200.0100.00314.09
5.5.190.0000.01313.88
5.5.180.0070.00713.99
5.5.170.0040.01114.04
5.5.160.0090.00313.83
5.5.150.0000.00913.89
5.5.140.0000.01314.22
5.5.130.0130.00013.86
5.5.120.0060.01014.12
5.5.110.0050.00814.11
5.5.100.0060.00613.64
5.5.90.0000.00913.83
5.5.80.0100.00614.02
5.5.70.0130.00314.19
5.5.60.0000.01513.89
5.5.50.0070.00714.09
5.5.40.0070.00714.12
5.5.30.0100.00313.63
5.5.20.0130.00014.23
5.5.10.0100.00713.96
5.5.00.0070.01014.12
5.4.450.0250.03515.00
5.4.440.0520.03215.09
5.4.430.0460.03015.12
5.4.420.0570.03115.18
5.4.410.0420.03215.13
5.4.400.0100.02814.64
5.4.390.0150.02714.67
5.4.380.0180.02814.81
5.4.370.0070.03414.71
5.4.360.0120.02714.72
5.4.350.0100.03014.68
5.4.340.0130.03314.81
5.4.330.0090.00310.75
5.4.320.0100.03714.83
5.4.310.0150.02714.84
5.4.300.0200.02414.63
5.4.290.0180.02314.63
5.4.280.0110.03014.70
5.4.270.0080.03714.75
5.4.260.0110.03114.65
5.4.250.0080.03114.82
5.4.240.0100.03314.66
5.4.230.0150.02714.65
5.4.220.0100.03214.64
5.4.210.0100.03314.64
5.4.200.0080.03613.53
5.4.190.0180.02614.70
5.4.180.0160.02714.68
5.4.170.0140.02914.78
5.4.160.0080.03414.72
5.4.150.0130.03514.74
5.4.140.0080.03313.48
5.4.130.0100.03013.51
5.4.120.0120.02513.51
5.4.110.0170.03113.41
5.4.100.0100.02913.52
5.4.90.0140.03213.48
5.4.80.0150.02613.51
5.4.70.0150.02713.52
5.4.60.0130.02813.57
5.4.50.0080.03113.47
5.4.40.0110.02913.47
5.4.30.0100.02813.49
5.4.20.0060.03313.45
5.4.10.0130.02513.43
5.4.00.0080.03013.30
5.3.290.0170.05714.57
5.3.280.0230.05014.68
5.3.270.0270.04314.60
5.3.260.0370.03714.69
5.3.250.0170.05314.70
5.3.240.0100.06014.59
5.3.230.0130.05714.57
5.3.220.0330.03714.55
5.3.210.0100.06314.54
5.3.200.0130.05314.44
5.3.190.0170.05314.53
5.3.180.0200.05314.59
5.3.170.0230.04714.47
5.3.160.0130.06014.47
5.3.150.0230.05014.60
5.3.140.0230.05014.48
5.3.130.0200.05314.49
5.3.120.0070.06714.54
5.3.110.0130.06014.47
5.3.100.0170.05714.12
5.3.90.0230.04714.02
5.3.80.0270.04714.10
5.3.70.0230.04714.00
5.3.60.0230.05313.98
5.3.50.0270.06713.88
5.3.40.0270.06014.04
5.3.30.0130.05313.83
5.3.20.0130.05313.67
5.3.10.0230.04713.58
5.3.00.0270.04313.72
5.2.170.0300.02711.27
5.2.160.0170.04311.17
5.2.150.0200.04011.12
5.2.140.0130.04711.20
5.2.130.0230.04011.25
5.2.120.0300.05011.25
5.2.110.0230.03711.08
5.2.100.0130.04011.07
5.2.90.0170.04711.16
5.2.80.0200.03711.05
5.2.70.0200.04711.04
5.2.60.0270.03011.01
5.2.50.0130.06011.15
5.2.40.0130.04011.03
5.2.30.0130.04011.02
5.2.20.0100.05010.91
5.2.10.0100.04310.90
5.2.00.0130.04010.70
5.1.60.0100.03710.06
5.1.50.0130.03310.08
5.1.40.0130.03310.11
5.1.30.0130.03710.37
5.1.20.0200.03010.32
5.1.10.0130.03710.04
5.1.00.0070.04010.03
5.0.50.0030.0378.56
5.0.40.0100.0278.42
5.0.30.0030.0478.21
5.0.20.0130.0278.32
5.0.10.0030.0308.20
5.0.00.0130.0408.34
4.4.90.0030.0235.90
4.4.80.0100.0175.91
4.4.70.0070.0205.89
4.4.60.0070.0205.80
4.4.50.0070.0235.86
4.4.40.0070.0335.88
4.4.30.0030.0275.92
4.4.20.0100.0175.93
4.4.10.0100.0205.93
4.4.00.0070.0375.88
4.3.110.0130.0205.80
4.3.100.0070.0235.80
4.3.90.0030.0235.81
4.3.80.0070.0375.78
4.3.70.0100.0175.77
4.3.60.0030.0275.79
4.3.50.0030.0275.81
4.3.40.0170.0275.77
4.3.30.0030.0234.54
4.3.20.0000.0274.58
4.3.10.0000.0274.49
4.3.00.0230.02714.42

preferences:
48.47 ms | 400 KiB | 5 Q