3v4l.org

run code in 300+ PHP versions simultaneously
<?php print "next.1\n"; $a ["one"] = 5; var_dump ($a); print "next.2"; if (isset ($a ["none"])) { print $a ["none"]; } else { print "not set"; } print "next.3"; $a = &$a ["none"]; print $a; print "end";

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)
8.3.60.0070.01416.63
8.3.50.0140.00621.08
8.3.40.0000.01818.63
8.3.30.0000.01419.13
8.3.20.0080.00020.29
8.3.10.0070.00023.71
8.3.00.0080.00017.50
8.2.180.0110.00716.75
8.2.170.0140.00319.04
8.2.160.0100.00722.96
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0000.00822.25
8.2.110.0030.00719.30
8.2.100.0090.00317.75
8.2.90.0000.00819.21
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00618.05
8.2.50.0080.00018.07
8.2.40.0050.00519.94
8.2.30.0080.00018.04
8.2.20.0050.00317.62
8.2.10.0040.00418.12
8.2.00.0000.00718.05
8.1.280.0120.00625.92
8.1.270.0070.00720.38
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00022.65
8.1.230.0040.00717.72
8.1.220.0040.00417.76
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0080.00018.10
8.1.170.0000.00818.59
8.1.160.0040.00421.89
8.1.150.0030.00518.82
8.1.140.0060.00317.31
8.1.130.0030.00617.69
8.1.120.0000.00717.42
8.1.110.0030.00517.38
8.1.100.0060.00317.45
8.1.90.0000.00717.34
8.1.80.0060.00317.38
8.1.70.0070.00017.37
8.1.60.0060.00317.53
8.1.50.0040.00417.47
8.1.40.0060.00317.43
8.1.30.0000.00917.53
8.1.20.0020.00517.55
8.1.10.0080.00017.60
8.1.00.0000.01117.49
8.0.300.0040.00418.77
8.0.290.0040.00716.75
8.0.280.0000.00718.43
8.0.270.0000.00717.26
8.0.260.0030.00317.16
8.0.250.0060.00316.96
8.0.240.0040.00816.85
8.0.230.0000.00716.88
8.0.220.0000.00616.71
8.0.210.0040.00416.76
8.0.200.0070.00016.78
8.0.190.0000.00816.95
8.0.180.0100.00016.76
8.0.170.0060.00316.74
8.0.160.0080.00016.79
8.0.150.0040.00416.76
8.0.140.0040.00816.68
8.0.130.0000.00813.24
8.0.120.0030.00616.78
8.0.110.0000.00716.76
8.0.100.0050.00216.78
8.0.90.0000.00716.84
8.0.80.0090.00816.91
8.0.70.0040.00416.88
8.0.60.0060.00316.87
8.0.50.0000.00716.69
8.0.30.0110.01017.12
8.0.20.0150.00417.40
8.0.10.0020.00517.04
8.0.00.0110.00816.67
7.4.330.0030.00315.04
7.4.320.0030.00316.54
7.4.300.0060.00016.43
7.4.290.0000.00716.49
7.4.280.0000.00816.45
7.4.270.0000.00716.45
7.4.260.0130.00016.42
7.4.250.0050.00216.42
7.4.240.0040.00416.44
7.4.230.0030.00316.61
7.4.220.0100.01016.52
7.4.210.0070.00916.43
7.4.200.0000.00716.65
7.4.160.0120.00316.63
7.4.150.0000.01717.40
7.4.140.0060.01217.86
7.4.130.0130.00916.52
7.4.120.0160.00516.42
7.4.110.0070.01316.35
7.4.100.0090.00916.62
7.4.90.0100.00616.48
7.4.80.0070.01119.39
7.4.70.0200.00316.40
7.4.60.0140.00316.45
7.4.50.0000.00816.33
7.4.40.0040.01216.31
7.4.30.0180.00316.66
7.4.10.0120.00915.13
7.4.00.0090.00915.06
7.3.330.0000.00512.96
7.3.320.0030.00313.10
7.3.310.0030.00316.11
7.3.300.0030.00316.12
7.3.290.0030.00316.31
7.3.280.0060.01216.29
7.3.270.0050.01417.40
7.3.260.0110.00716.29
7.3.240.0120.00916.43
7.3.230.0130.00416.43
7.3.210.0140.00716.40
7.3.200.0130.00619.39
7.3.190.0110.00616.30
7.3.180.0030.01416.23
7.3.170.0110.00616.37
7.3.160.0060.00916.43
7.3.130.0030.00914.83
7.3.120.0120.00914.39
7.3.110.0110.00414.58
7.3.100.0070.00715.02
7.3.90.0040.01114.88
7.3.80.0060.00615.17
7.3.70.0000.01214.71
7.3.60.0110.00314.75
7.3.50.0030.01114.86
7.3.40.0040.00714.64
7.3.30.0100.00314.64
7.3.20.0060.00616.63
7.3.10.0000.01816.67
7.3.00.0000.00916.65
7.2.330.0000.01716.67
7.2.320.0140.00316.64
7.2.310.0110.00816.51
7.2.300.0070.01016.61
7.2.290.0100.01316.43
7.2.260.0150.00614.52
7.2.250.0110.00715.25
7.2.240.0070.00715.24
7.2.230.0070.01015.05
7.2.220.0030.00915.16
7.2.210.0030.01115.13
7.2.200.0030.01414.92
7.2.190.0090.00615.02
7.2.180.0070.00314.93
7.2.170.0030.01315.00
7.2.160.0030.01215.09
7.2.150.0030.00916.88
7.2.140.0130.00616.61
7.2.130.0080.00516.93
7.2.120.0040.01416.92
7.2.110.0060.00916.88
7.2.100.0060.01317.04
7.2.90.0070.01016.99
7.2.80.0070.00716.81
7.2.70.0080.00316.88
7.2.60.0060.00316.96
7.2.50.0040.01116.93
7.2.40.0090.00616.91
7.2.30.0110.00416.90
7.2.20.0070.00716.71
7.2.10.0090.00617.00
7.2.00.0080.00617.94
7.1.330.0060.00615.61
7.1.320.0000.00915.71
7.1.310.0070.00715.89
7.1.300.0030.01015.59
7.1.290.0000.01015.62
7.1.280.0030.00915.64
7.1.270.0070.00715.70
7.1.260.0100.00315.90
7.1.250.0040.00815.55
7.1.240.0090.00615.84
7.1.230.0100.00715.66
7.1.220.0060.00915.89
7.1.210.0070.01015.86
7.1.200.0060.00615.84
7.1.190.0040.00415.96
7.1.180.0030.01015.90
7.1.170.0030.01215.83
7.1.160.0060.00615.68
7.1.150.0040.00715.39
7.1.140.0040.00716.02
7.1.130.0030.00615.54
7.1.120.0000.00815.60
7.1.110.0050.00515.74
7.1.100.0040.00916.96
7.1.90.0070.00715.73
7.1.80.0000.01015.67
7.1.70.0040.00416.42
7.1.60.0090.00617.76
7.1.50.0080.00816.51
7.1.40.0070.00315.90
7.1.30.0100.00315.93
7.1.20.0060.00615.80
7.1.10.0040.00715.89
7.1.00.0110.03618.97
7.0.330.0000.01215.46
7.0.320.0000.01015.43
7.0.310.0060.00615.44
7.0.300.0030.01015.33
7.0.290.0000.01215.23
7.0.280.0030.00815.51
7.0.270.0000.00815.38
7.0.260.0000.01415.48
7.0.250.0030.01015.34
7.0.240.0030.00615.55
7.0.230.0030.00915.31
7.0.220.0070.01015.11
7.0.210.0050.00315.60
7.0.200.0020.00715.99
7.0.190.0090.00915.62
7.0.180.0040.00715.52
7.0.170.0070.00715.38
7.0.160.0060.00615.22
7.0.150.0060.00615.57
7.0.140.0040.00715.27
7.0.130.0030.01015.51
7.0.120.0070.00715.37
7.0.110.0040.01115.45
7.0.100.0040.00815.51
7.0.90.0060.00315.60
7.0.80.0030.00615.38
7.0.70.0070.00415.52
7.0.60.0080.03817.76
7.0.50.0100.03916.68
7.0.40.0020.03216.78
7.0.30.0220.02916.88
7.0.20.0150.03216.86
7.0.10.0010.05116.70
7.0.00.0090.02816.72
5.6.400.0030.00714.42
5.6.390.0060.00314.46
5.6.380.0030.01214.62
5.6.370.0030.01014.46
5.6.360.0000.01514.67
5.6.350.0000.01014.52
5.6.340.0000.01114.16
5.6.330.0000.01014.62
5.6.320.0040.00814.32
5.6.310.0080.00414.46
5.6.300.0030.00514.55
5.6.290.0040.01114.12
5.6.280.0060.03717.81
5.6.270.0000.01114.55
5.6.260.0070.00714.41
5.6.250.0100.00314.09
5.6.240.0070.00714.41
5.6.230.0110.00014.14
5.6.220.0030.00614.20
5.6.210.0120.03317.65
5.6.200.0000.03816.34
5.6.190.0070.02217.52
5.6.180.1880.02517.55
5.6.170.0170.03917.51
5.6.160.0060.02817.37
5.6.150.0070.04416.21
5.6.140.0070.04016.20
5.6.130.0070.04516.19
5.6.120.0050.02517.71
5.6.110.0080.04317.83
5.6.100.0020.04817.65
5.6.90.0030.02617.71
5.6.80.0050.02317.39
5.6.70.2300.02017.36
5.6.60.0070.00414.39
5.6.50.0100.00014.34
5.6.40.0080.00414.22
5.6.30.0100.00314.42
5.6.20.0070.00714.43
5.6.10.0060.00614.39
5.6.00.0040.00814.18
5.5.380.0100.00614.26
5.5.370.0030.00914.29
5.5.360.0030.01413.97
5.5.350.0170.04617.34
5.5.340.0000.02616.26
5.5.330.0130.03817.21
5.5.320.0180.03317.32
5.5.310.0170.03517.30
5.5.300.0070.04516.22
5.5.290.0040.04616.16
5.5.280.0030.04717.64
5.5.270.0080.03417.54
5.5.260.0070.04817.43
5.5.250.0070.04517.46
5.5.240.0120.04317.26
5.5.230.0070.00714.07
5.5.220.0060.00614.39
5.5.210.0130.00014.29
5.5.200.0040.00414.41
5.5.190.0040.01014.17
5.5.180.0000.01214.16
5.5.170.0030.00914.42
5.5.160.0080.00014.44
5.5.150.0000.01414.18
5.5.140.0040.01114.18
5.5.130.0040.01114.41
5.5.120.0030.01014.03
5.5.110.0090.00914.15
5.5.100.0120.00614.14
5.5.90.0100.00314.21
5.5.80.0040.01214.58
5.5.70.0120.00314.21
5.5.60.0050.00514.32
5.5.50.0030.01214.32
5.5.40.0100.00314.11
5.5.30.0110.00313.82
5.5.20.0030.00614.16
5.5.10.0090.00614.32
5.5.00.0070.00314.26
5.4.450.0320.02815.18
5.4.440.0090.03015.30
5.4.430.0160.02215.33
5.4.420.0140.02515.13
5.4.410.0130.02515.23
5.4.400.0210.01714.99
5.4.390.0170.02715.21
5.4.380.0050.03515.02
5.4.370.0100.02714.99
5.4.360.0130.02714.97
5.4.350.0080.03715.07
5.4.340.0100.03114.92
5.4.330.0040.00810.92
5.4.320.0120.02514.93
5.4.310.0280.02715.21
5.4.300.0270.03314.98
5.4.290.0280.02815.04
5.4.280.0420.04015.00
5.4.270.0350.03715.11
5.4.260.0240.03315.01
5.4.250.0350.03015.18
5.4.240.0230.03215.07
5.4.230.0350.03914.88
5.4.220.0380.03715.12
5.4.210.0270.03515.01
5.4.200.0150.02313.98
5.4.190.0100.02515.00
5.4.180.0170.03314.87
5.4.170.0400.03415.03
5.4.160.0420.02215.01
5.4.150.0290.03114.95
5.4.140.0250.03613.88
5.4.130.0300.02713.75
5.4.120.0360.02813.73
5.4.110.0150.03013.87
5.4.100.0120.03213.74
5.4.90.0370.02313.73
5.4.80.0370.03713.47
5.4.70.0080.04313.64
5.4.60.0140.03513.79
5.4.50.0140.02213.75
5.4.40.0160.02913.72
5.4.30.0140.02713.78
5.4.20.0100.03013.75
5.4.10.0130.02313.46
5.4.00.0150.02613.56
5.3.290.0130.06014.59
5.3.280.0530.05314.42
5.3.270.0330.06014.45
5.3.260.0400.04714.52
5.3.250.0600.04714.55
5.3.240.0500.04014.49
5.3.230.0070.05714.47
5.3.220.0470.05314.46
5.3.210.0370.05714.41
5.3.200.0070.05314.59
5.3.190.0370.05014.60
5.3.180.0600.05014.43
5.3.170.0470.04714.54
5.3.160.0470.04714.46
5.3.150.0530.05014.57
5.3.140.0430.04314.45
5.3.130.0400.04314.46
5.3.120.0570.04714.55
5.3.110.0570.04314.48
5.3.100.0500.05013.93
5.3.90.0630.05314.05
5.3.80.0600.05313.84
5.3.70.0730.06313.88
5.3.60.0800.04713.84
5.3.50.0700.04313.98
5.3.40.0700.05313.78
5.3.30.0570.05313.73
5.3.20.0570.05313.52
5.3.10.0470.05713.53
5.3.00.0530.05013.42
5.2.170.0500.04011.09
5.2.160.0630.03010.94
5.2.150.0500.04711.17
5.2.140.0330.05010.99
5.2.130.0530.03710.89
5.2.120.0530.02711.20
5.2.110.0530.04711.17
5.2.100.0400.04310.96
5.2.90.0430.03310.95
5.2.80.0600.04010.92
5.2.70.0600.03711.03
5.2.60.0470.05310.89
5.2.50.0500.04011.05
5.2.40.0430.04010.93
5.2.30.0570.03710.82
5.2.20.0430.04310.71
5.2.10.0330.04310.85
5.2.00.0370.04310.63
5.1.60.0400.03710.02
5.1.50.0430.03710.07
5.1.40.0500.0339.89
5.1.30.0330.03710.31
5.1.20.0500.04010.45
5.1.10.0400.0409.99
5.1.00.0370.03310.14
5.0.50.0200.0278.47
5.0.40.0170.0338.49
5.0.30.0130.0538.14
5.0.20.0270.0278.33
5.0.10.0200.0308.21
5.0.00.0100.0478.20
4.4.90.0270.0205.82
4.4.80.0200.0205.80
4.4.70.0170.0205.84
4.4.60.0230.0205.73
4.4.50.0270.0175.84
4.4.40.0270.0335.75
4.4.30.0200.0235.74
4.4.20.0270.0235.86
4.4.10.0270.0305.92
4.4.00.0230.0405.84
4.3.110.0170.0275.83
4.3.100.0100.0275.82
4.3.90.0230.0235.64
4.3.80.0170.0335.65
4.3.70.0130.0205.83
4.3.60.0270.0205.64
4.3.50.0300.0205.80
4.3.40.0200.0305.62
4.3.30.0130.0274.56
4.3.20.0100.0234.56
4.3.10.0130.0204.56
4.3.00.0070.0236.88

preferences:
76.88 ms | 401 KiB | 5 Q